diff --git a/build/generated/querydsl/kr/co/studyhubinu/studyhubserver/study/domain/QStudyEntity.java b/build/generated/querydsl/kr/co/studyhubinu/studyhubserver/study/domain/QStudyEntity.java
index 55e8492a..a3ecb51a 100644
--- a/build/generated/querydsl/kr/co/studyhubinu/studyhubserver/study/domain/QStudyEntity.java
+++ b/build/generated/querydsl/kr/co/studyhubinu/studyhubserver/study/domain/QStudyEntity.java
@@ -30,6 +30,8 @@ public class QStudyEntity extends EntityPathBase<StudyEntity> {
 
     public final NumberPath<Long> id = createNumber("id", Long.class);
 
+    public final EnumPath<kr.co.studyhubinu.studyhubserver.user.enums.MajorType> major = createEnum("major", kr.co.studyhubinu.studyhubserver.user.enums.MajorType.class);
+
     public final NumberPath<Long> masterUserId = createNumber("masterUserId", Long.class);
 
     //inherited
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/controller/ApplyController.java b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/controller/ApplyController.java
index 053075ac..b927e3d8 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/controller/ApplyController.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/controller/ApplyController.java
@@ -9,6 +9,7 @@
 import kr.co.studyhubinu.studyhubserver.apply.dto.request.UpdateApplyRequest;
 import kr.co.studyhubinu.studyhubserver.apply.dto.response.FindApplyResponse;
 import kr.co.studyhubinu.studyhubserver.apply.service.ApplyService;
+import kr.co.studyhubinu.studyhubserver.apply.dto.response.FindParticipateApplyResponse;
 import kr.co.studyhubinu.studyhubserver.user.dto.data.UserId;
 import lombok.RequiredArgsConstructor;
 import org.apache.http.HttpStatus;
@@ -46,4 +47,11 @@ public ResponseEntity<HttpStatus> updateStudyInspection(UpdateApplyRequest reque
     public FindApplyResponse findStudyEnroll(FindApplyRequest request, @RequestParam int page, @RequestParam int size) {
         return applyService.findApply(request, page, size);
     }
+
+    @Operation(summary = "내가 참여한 스터디 목록", description = "헤더에 JWT토큰 보내주시면 됩니다")
+    @GetMapping("/v1/participated-study")
+    public ResponseEntity<FindParticipateApplyResponse> getParticipateApply(UserId userId, @RequestParam int page, @RequestParam int size) {
+        return ResponseEntity.ok().body(applyService.getParticipateApply(userId.getId(), page, size));
+    }
+
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/dto/data/ParticipateApplyData.java b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/dto/data/ParticipateApplyData.java
new file mode 100644
index 00000000..a589a45d
--- /dev/null
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/dto/data/ParticipateApplyData.java
@@ -0,0 +1,25 @@
+package kr.co.studyhubinu.studyhubserver.apply.dto.data;
+
+import kr.co.studyhubinu.studyhubserver.apply.enums.Inspection;
+import kr.co.studyhubinu.studyhubserver.user.enums.MajorType;
+import lombok.Getter;
+
+@Getter
+public class ParticipateApplyData {
+
+    private String major;
+    private String title;
+    private String content;
+    private String chatUrl;
+    private String inspection;
+    private Long postId;
+
+    public ParticipateApplyData(MajorType major, String title, String content, String chatUrl, Inspection inspection, Long postId) {
+        this.major = major.getValue();
+        this.title = title;
+        this.content = content;
+        this.chatUrl = chatUrl;
+        this.inspection = inspection.getValue();
+        this.postId = postId;
+    }
+}
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/dto/response/FindParticipateApplyResponse.java b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/dto/response/FindParticipateApplyResponse.java
new file mode 100644
index 00000000..10498708
--- /dev/null
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/dto/response/FindParticipateApplyResponse.java
@@ -0,0 +1,15 @@
+package kr.co.studyhubinu.studyhubserver.apply.dto.response;
+
+import kr.co.studyhubinu.studyhubserver.apply.dto.data.ParticipateApplyData;
+import lombok.Getter;
+import org.springframework.data.domain.Slice;
+
+@Getter
+public class FindParticipateApplyResponse {
+    private Long totalCount;
+    Slice<ParticipateApplyData> participateStudyData;
+    public FindParticipateApplyResponse(Long totalCount, Slice<ParticipateApplyData> participateStudyData) {
+        this.totalCount = totalCount;
+        this.participateStudyData = participateStudyData;
+    }
+}
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepository.java b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepository.java
index 93fd817b..547ad697 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepository.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepository.java
@@ -1,8 +1,7 @@
 package kr.co.studyhubinu.studyhubserver.apply.repository;
 
 import kr.co.studyhubinu.studyhubserver.apply.domain.ApplyEntity;
-import kr.co.studyhubinu.studyhubserver.study.domain.StudyEntity;
-import kr.co.studyhubinu.studyhubserver.user.domain.UserEntity;
+import kr.co.studyhubinu.studyhubserver.apply.enums.Inspection;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.List;
@@ -12,4 +11,6 @@ public interface ApplyRepository extends JpaRepository<ApplyEntity, Long>, Apply
     Optional<ApplyEntity> findByUserIdAndStudyId(Long userId, Long studyId);
 
     List<ApplyEntity> findByUserId(Long userId);
+
+    Long countByUserIdAndInspection(Long userId, Inspection accept);
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryCustom.java b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryCustom.java
index e6275630..ad55c00d 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryCustom.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryCustom.java
@@ -1,6 +1,7 @@
 package kr.co.studyhubinu.studyhubserver.apply.repository;
 
 import kr.co.studyhubinu.studyhubserver.apply.dto.data.ApplyUserData;
+import kr.co.studyhubinu.studyhubserver.apply.dto.data.ParticipateApplyData;
 import org.springframework.data.domain.Pageable;
 
 import java.util.List;
@@ -8,4 +9,6 @@
 public interface ApplyRepositoryCustom {
 
     List<ApplyUserData> findByStudy(Long studyId, Pageable pageable);
+
+    List<ParticipateApplyData> findByUserIdAndInspection(Long userId, Pageable pageable);
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryImpl.java b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryImpl.java
index eb10e29a..733a1bc0 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryImpl.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryImpl.java
@@ -3,12 +3,16 @@
 import com.querydsl.core.types.Projections;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import kr.co.studyhubinu.studyhubserver.apply.dto.data.ApplyUserData;
+import kr.co.studyhubinu.studyhubserver.apply.dto.data.ParticipateApplyData;
+import kr.co.studyhubinu.studyhubserver.apply.enums.Inspection;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
 
+import static kr.co.studyhubinu.studyhubserver.study.domain.QStudyEntity.studyEntity;
+import static kr.co.studyhubinu.studyhubserver.studypost.domain.QStudyPostEntity.studyPostEntity;
 import static kr.co.studyhubinu.studyhubserver.user.domain.QUserEntity.userEntity;
 import static kr.co.studyhubinu.studyhubserver.apply.domain.QApplyEntity.applyEntity;
 
@@ -25,11 +29,30 @@ public List<ApplyUserData> findByStudy(Long studyId, final Pageable pageable) {
                         userEntity.id, userEntity.nickname, userEntity.major, userEntity.imageUrl,
                         applyEntity.introduce, applyEntity.createdDate))
                 .from(applyEntity)
-                .leftJoin(userEntity).on(applyEntity.userId.eq(userEntity.id))
+                .innerJoin(userEntity).on(applyEntity.userId.eq(userEntity.id))
                 .where(applyEntity.studyId.eq(studyId))
-                .orderBy(applyEntity.createdDate.asc())
+                .orderBy(applyEntity.createdDate.desc())
                 .offset(pageable.getOffset())
                 .limit(pageable.getPageSize() + 1)
                 .fetch();
     }
+
+    @Override
+    public List<ParticipateApplyData> findByUserIdAndInspection(Long userId, Pageable pageable) {
+            return jpaQueryFactory
+                    .select(Projections.constructor(ParticipateApplyData.class,
+                            studyEntity.major, studyEntity.title, studyEntity.content, studyEntity.chatUrl,
+                            applyEntity.inspection, studyPostEntity.id.as("postId")))
+                    .from(applyEntity)
+                    .innerJoin(studyEntity).on(applyEntity.studyId.eq(studyEntity.id))
+                    .innerJoin(studyPostEntity).on(studyEntity.id.eq(studyPostEntity.studyId))
+                    .where(
+                            applyEntity.userId.eq(userId)
+                                    .and(applyEntity.inspection.eq(Inspection.ACCEPT))
+                    )
+                    .orderBy(applyEntity.createdDate.desc())
+                    .offset(pageable.getOffset())
+                    .limit(pageable.getPageSize() + 1)
+                    .fetch();
+    }
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/service/ApplyService.java b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/service/ApplyService.java
index 154f3636..8eac78bd 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/apply/service/ApplyService.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/apply/service/ApplyService.java
@@ -1,34 +1,40 @@
 package kr.co.studyhubinu.studyhubserver.apply.service;
 
+import kr.co.studyhubinu.studyhubserver.apply.domain.ApplyEntity;
 import kr.co.studyhubinu.studyhubserver.apply.dto.data.ApplyUserData;
+import kr.co.studyhubinu.studyhubserver.apply.dto.data.ParticipateApplyData;
 import kr.co.studyhubinu.studyhubserver.apply.dto.request.EnrollApplyRequest;
 import kr.co.studyhubinu.studyhubserver.apply.dto.request.FindApplyRequest;
 import kr.co.studyhubinu.studyhubserver.apply.dto.request.UpdateApplyRequest;
 import kr.co.studyhubinu.studyhubserver.apply.dto.response.FindApplyResponse;
+import kr.co.studyhubinu.studyhubserver.apply.dto.response.FindParticipateApplyResponse;
+import kr.co.studyhubinu.studyhubserver.apply.enums.Inspection;
 import kr.co.studyhubinu.studyhubserver.apply.repository.ApplyRepository;
 import kr.co.studyhubinu.studyhubserver.common.dto.Converter;
 import kr.co.studyhubinu.studyhubserver.exception.apply.ApplyNotFoundException;
 import kr.co.studyhubinu.studyhubserver.exception.apply.SameUserRequestException;
 import kr.co.studyhubinu.studyhubserver.exception.user.UserNotFoundException;
-import kr.co.studyhubinu.studyhubserver.study.StudyRepository;
 import kr.co.studyhubinu.studyhubserver.study.domain.StudyEntity;
+import kr.co.studyhubinu.studyhubserver.study.repository.StudyRepository;
 import kr.co.studyhubinu.studyhubserver.user.domain.UserEntity;
 import kr.co.studyhubinu.studyhubserver.user.repository.UserRepository;
-import kr.co.studyhubinu.studyhubserver.apply.domain.ApplyEntity;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Slice;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @RequiredArgsConstructor
 @Service
+@Transactional(readOnly = true)
 public class ApplyService {
 
     private final UserRepository userRepository;
     private final StudyRepository studyRepository;
     private final ApplyRepository applyRepository;
 
+    @Transactional
     public void enroll(Long userId, EnrollApplyRequest request) {
         UserEntity user = userRepository.findById(userId).orElseThrow(UserNotFoundException::new);
         StudyEntity study = studyRepository.findById(request.getStudyId()).orElseThrow();
@@ -37,6 +43,7 @@ public void enroll(Long userId, EnrollApplyRequest request) {
         applyRepository.save(ApplyEntity.of(user.getId(), study.getId(), request.getIntroduce()));
     }
 
+    @Transactional
     public void update(UpdateApplyRequest request) {
         UserEntity user = userRepository.findById(request.getUserId()).orElseThrow(UserNotFoundException::new);
         StudyEntity study = studyRepository.findById(request.getStudyId()).orElseThrow();
@@ -56,4 +63,13 @@ private void validateSameRequest(UserEntity user, StudyEntity study) {
             throw new SameUserRequestException();
         }
     }
+
+    public FindParticipateApplyResponse getParticipateApply(final Long userId, final int page, final int size) {
+        UserEntity user = userRepository.findById(userId).orElseThrow(UserNotFoundException::new);
+        final Pageable pageable = PageRequest.of(page, size);
+        Long totalCount = applyRepository.countByUserIdAndInspection(user.getId(), Inspection.ACCEPT);
+        Slice<ParticipateApplyData> participateApplyData = Converter.toSlice
+                (pageable, applyRepository.findByUserIdAndInspection(user.getId(), pageable));
+        return new FindParticipateApplyResponse(totalCount, participateApplyData);
+    }
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/comment/repository/CommentRepositoryCustom.java b/src/main/java/kr/co/studyhubinu/studyhubserver/comment/repository/CommentRepositoryCustom.java
index 317b959f..73551acd 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/comment/repository/CommentRepositoryCustom.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/comment/repository/CommentRepositoryCustom.java
@@ -8,5 +8,5 @@
 public interface CommentRepositoryCustom {
     List<CommentResponse> findSliceByPostIdWithUserId(Long postId, Long userId, Pageable pageable);
 
-    List<CommentResponse> findPreviewByPostId(Long postId, Long userId, Long commentPreviewCount);
+    List<CommentResponse> findPreviewByPostId(Long postId, Long userId, int commentPreviewCount);
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/comment/repository/CommentRepositoryImpl.java b/src/main/java/kr/co/studyhubinu/studyhubserver/comment/repository/CommentRepositoryImpl.java
index 63853542..ec10c606 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/comment/repository/CommentRepositoryImpl.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/comment/repository/CommentRepositoryImpl.java
@@ -51,7 +51,7 @@ public List<CommentResponse> findSliceByPostIdWithUserId(Long postId, Long userI
     }
 
     @Override
-    public List<CommentResponse> findPreviewByPostId(Long postId, Long userId, Long commentPreviewCount) {
+    public List<CommentResponse> findPreviewByPostId(Long postId, Long userId, int commentPreviewCount) {
         JPAQuery<CommentResponse> data = jpaQueryFactory
                 .select(Projections.constructor(CommentResponse.class,
                                 commentEntity.id,
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/comment/service/CommentService.java b/src/main/java/kr/co/studyhubinu/studyhubserver/comment/service/CommentService.java
index bfa1804f..ecc6dd33 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/comment/service/CommentService.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/comment/service/CommentService.java
@@ -29,7 +29,7 @@
 @Transactional(readOnly = true)
 public class CommentService {
 
-    private static final Long COMMENT_PREVIEW_COUNT = 5L;
+    private static final int COMMENT_PREVIEW_COUNT = 8;
 
     private final CommentRepository commentRepository;
     private final CommentValidator commentValidator;
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/email/dto/request/QuestionRequest.java b/src/main/java/kr/co/studyhubinu/studyhubserver/email/dto/request/QuestionRequest.java
index a17c6a18..93daddf6 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/email/dto/request/QuestionRequest.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/email/dto/request/QuestionRequest.java
@@ -1,7 +1,7 @@
 package kr.co.studyhubinu.studyhubserver.email.dto.request;
 
 import io.swagger.v3.oas.annotations.media.Schema;
-import kr.co.studyhubinu.studyhubserver.email.validate.InuEmail;
+import kr.co.studyhubinu.studyhubserver.email.validate.NormalEmail;
 import lombok.Getter;
 
 import javax.validation.constraints.NotBlank;
@@ -17,7 +17,7 @@ public class QuestionRequest {
     private String content;
 
     @Schema(description = "답변 받을 이메일", example = "kdw990202@inu.ac.kr")
-    @InuEmail
+    @NormalEmail
     @NotBlank(message = "이메일값은 필수 입니다")
     private String toEmail;
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/email/validate/EmailValidator.java b/src/main/java/kr/co/studyhubinu/studyhubserver/email/validate/EmailValidator.java
new file mode 100644
index 00000000..14686218
--- /dev/null
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/email/validate/EmailValidator.java
@@ -0,0 +1,15 @@
+package kr.co.studyhubinu.studyhubserver.email.validate;
+
+import javax.validation.ConstraintValidator;
+import javax.validation.ConstraintValidatorContext;
+import java.util.regex.Pattern;
+
+public class EmailValidator implements ConstraintValidator<NormalEmail, String> {
+
+    private static final Pattern EMAIL_PATTERN = Pattern.compile("^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)*(\\.[a-zA-Z]{2,})$");
+
+    @Override
+    public boolean isValid(String value, ConstraintValidatorContext context) {
+        return value != null && EMAIL_PATTERN.matcher(value).matches();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/email/validate/NormalEmail.java b/src/main/java/kr/co/studyhubinu/studyhubserver/email/validate/NormalEmail.java
new file mode 100644
index 00000000..670a3718
--- /dev/null
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/email/validate/NormalEmail.java
@@ -0,0 +1,18 @@
+package kr.co.studyhubinu.studyhubserver.email.validate;
+
+import javax.validation.Constraint;
+import javax.validation.Payload;
+import java.lang.annotation.*;
+
+@Documented
+@Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})
+@Retention(RetentionPolicy.RUNTIME)
+@Constraint(validatedBy = EmailValidator.class)
+public @interface NormalEmail {
+
+    String message() default "이메일 형식에 맞지 않습니다.";
+
+    Class<?>[] groups() default {};
+
+    Class<? extends Payload>[] payload() default {};
+}
\ No newline at end of file
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/study/domain/StudyEntity.java b/src/main/java/kr/co/studyhubinu/studyhubserver/study/domain/StudyEntity.java
index 5ffbcbd1..8e368d32 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/study/domain/StudyEntity.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/study/domain/StudyEntity.java
@@ -1,6 +1,7 @@
 package kr.co.studyhubinu.studyhubserver.study.domain;
 
 import kr.co.studyhubinu.studyhubserver.common.domain.BaseTimeEntity;
+import kr.co.studyhubinu.studyhubserver.user.enums.MajorType;
 import lombok.*;
 
 import javax.persistence.*;
@@ -33,10 +34,12 @@ public class StudyEntity extends BaseTimeEntity {
     @Column(name = "master_user_id")
     private Long masterUserId;
 
+    @Enumerated(EnumType.STRING)
+    private MajorType major;
 
 
     @Builder
-    public StudyEntity(Long id, String title, String content, LocalDate studyStartDate, LocalDate studyEndDate, String chatUrl, Long userId) {
+    public StudyEntity(Long id, String title, String content, LocalDate studyStartDate, LocalDate studyEndDate, String chatUrl, Long userId, MajorType major) {
         this.id = id;
         this.title = title;
         this.content = content;
@@ -44,6 +47,7 @@ public StudyEntity(Long id, String title, String content, LocalDate studyStartDa
         this.studyEndDate = studyEndDate;
         this.chatUrl = chatUrl;
         this.masterUserId = userId;
+        this.major = major;
     }
 
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/study/StudyRepository.java b/src/main/java/kr/co/studyhubinu/studyhubserver/study/repository/StudyRepository.java
similarity index 77%
rename from src/main/java/kr/co/studyhubinu/studyhubserver/study/StudyRepository.java
rename to src/main/java/kr/co/studyhubinu/studyhubserver/study/repository/StudyRepository.java
index 63cdb398..3e0026f4 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/study/StudyRepository.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/study/repository/StudyRepository.java
@@ -1,4 +1,4 @@
-package kr.co.studyhubinu.studyhubserver.study;
+package kr.co.studyhubinu.studyhubserver.study.repository;
 
 import kr.co.studyhubinu.studyhubserver.study.domain.StudyEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/controller/StudyPostController.java b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/controller/StudyPostController.java
index 54650320..4bec68a2 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/controller/StudyPostController.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/controller/StudyPostController.java
@@ -99,13 +99,14 @@ public ResponseEntity<FindPostResponseByInquiry> findPostByAllString(@QueryStrin
         return ResponseEntity.ok(findPostResponseByInquiries);
     }
 
+    @Operation(summary = "스터디 게시글 마감처리", description = "postId와 헤더에 jwt토큰 보내주시면 됩니다!")
     @PutMapping("/v1/study-posts/{post-id}/close")
     public ResponseEntity<HttpStatus> closePost(@PathVariable("post-id") Long postId, UserId userId) {
         studyPostService.closePost(postId, userId.getId());
         return ResponseEntity.ok().build();
     }
 
-    @Operation(summary = "검색어 추천 기능 개발", description = "parameter에 검색어를 입력해주세요 기획상 추천수는 5개입니다")
+    @Operation(summary = "검색어 추천 기능 개발", description = "parameter에 검색어를 입력해주세요 기획상 추천수는 10개입니다")
     @ApiImplicitParam(name = "keyword", value = "검색어 키워드", required = true)
     @GetMapping("/v1/study-post/recommend")
     public ResponseEntity<FindRecommendPostsResponse> findRecommendPosts(@RequestParam String keyword) {
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/data/PostDataByBookmark.java b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/data/PostDataByBookmark.java
index f971517b..6ded7cef 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/data/PostDataByBookmark.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/data/PostDataByBookmark.java
@@ -12,14 +12,16 @@ public class PostDataByBookmark {
     private String content;
     private int remainingSeat;
     private boolean close;
+    private Long studyId;
 
     @Builder
-    public PostDataByBookmark(Long postId, MajorType major, String title, String content, int remainingSeat, boolean close) {
+    public PostDataByBookmark(Long postId, MajorType major, String title, String content, int remainingSeat, boolean close, Long studyId) {
         this.postId = postId;
         this.major = major;
         this.title = title;
         this.content = content;
         this.remainingSeat = remainingSeat;
         this.close = close;
+        this.studyId = studyId;
     }
 }
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/request/CreatePostRequest.java b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/request/CreatePostRequest.java
index 935861e3..00b119a0 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/request/CreatePostRequest.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/request/CreatePostRequest.java
@@ -97,6 +97,7 @@ public StudyEntity toStudyEntity(Long userId) {
                 .studyStartDate(studyStartDate)
                 .studyEndDate(studyEndDate)
                 .userId(userId)
+                .major(major)
                 .build();
     }
 
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/response/FindPostResponseById.java b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/response/FindPostResponseById.java
index f911a653..990b2232 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/response/FindPostResponseById.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/dto/response/FindPostResponseById.java
@@ -30,6 +30,7 @@ public class FindPostResponseById {
     private final String chatUrl;
     private final boolean isUsersPost;
     private final boolean isBookmarked;
+    private final Long studyId;
     private final boolean isApply;
     private final UserData postedUser;
     private final List<PostDataByMajor> relatedPost;
@@ -51,6 +52,7 @@ public FindPostResponseById(PostData postData, List<PostDataByMajor> relatedPost
         this.chatUrl = postData.getCharUrl();
         this.isUsersPost = postData.isUsersPost();
         this.isBookmarked = postData.isBookmarked();
+        this.studyId = postData.getStudyId();
         this.postedUser = postData.getPostedUser();
         this.relatedPost = relatedPosts;
         this.isApply = isApply;
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/repository/StudyPostRepositoryImpl.java b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/repository/StudyPostRepositoryImpl.java
index a4b9d9c1..47ad617a 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/repository/StudyPostRepositoryImpl.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/repository/StudyPostRepositoryImpl.java
@@ -68,10 +68,9 @@ public List<PostDataByBookmark> findPostsByBookmarked(Long userId, Pageable page
 
         JPAQuery<PostDataByBookmark> studyPostDto = jpaQueryFactory.select(
                         Projections.constructor(PostDataByBookmark.class,
-                                post.id.as("postId"), post.major, post.title, post.content, post.remainingSeat, post.close))
+                                post.id.as("postId"), post.major, post.title, post.content, post.remainingSeat, post.close, post.studyId))
                 .from(post)
-                .innerJoin(bookmark)
-                .on(bookmark.postId.eq(post.id))
+                .innerJoin(bookmark).on(bookmark.postId.eq(post.id))
                 .where(bookmark.userId.eq(userId))
                 .orderBy(post.createdDate.desc())
                 .offset(pageable.getOffset())
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostFindService.java b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostFindService.java
index 78c0af01..c35753ef 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostFindService.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostFindService.java
@@ -43,7 +43,6 @@ public class StudyPostFindService {
     public FindPostResponseByInquiry findPostResponseByInquiry(final InquiryRequest inquiryRequest, final int page, final int size, Long userId) {
         final Pageable pageable = PageRequest.of(page, size);
         final Slice<PostDataByInquiry> posts = Converter.toSlice(pageable, studyPostRepository.findByInquiry(inquiryRequest, pageable, userId));
-
         return new FindPostResponseByInquiry((long) posts.getContent().size(), posts);
     }
 
@@ -51,9 +50,7 @@ public FindPostResponseByBookmark getBookmarkedPosts(int page, int size, Long us
         validateUser(userId);
         final Pageable pageable = PageRequest.of(page, size);
         final Long totalCount = getBookmarkCountByUserId(userId);
-
         final Slice<PostDataByBookmark> posts = Converter.toSlice(pageable, studyPostRepository.findPostsByBookmarked(userId, pageable));
-
         return new FindPostResponseByBookmark(totalCount, posts);
     }
 
@@ -65,9 +62,7 @@ public FindPostResponseByUserId getMyPosts(int page, int size, Long userId) {
         final UserEntity user = findUser(userId);
         final Pageable pageable = PageRequest.of(page, size);
         final Long totalCount = getPostCountByUserId(userId);
-
         final Slice<PostDataByUserId> posts = Converter.toSlice(pageable, studyPostRepository.findByPostedUserId(user.getId(), pageable));
-
         return new FindPostResponseByUserId(totalCount, posts);
     }
 
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostService.java b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostService.java
index d6840008..73153c4c 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostService.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostService.java
@@ -5,7 +5,7 @@
 import kr.co.studyhubinu.studyhubserver.exception.study.PostStartDateConflictException;
 import kr.co.studyhubinu.studyhubserver.exception.user.UserNotAccessRightException;
 import kr.co.studyhubinu.studyhubserver.exception.user.UserNotFoundException;
-import kr.co.studyhubinu.studyhubserver.study.StudyRepository;
+import kr.co.studyhubinu.studyhubserver.study.repository.StudyRepository;
 import kr.co.studyhubinu.studyhubserver.study.domain.StudyEntity;
 import kr.co.studyhubinu.studyhubserver.studypost.domain.StudyPostEntity;
 import kr.co.studyhubinu.studyhubserver.studypost.dto.data.UpdateStudyPostInfo;
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserActivityFinder.java b/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserActivityFinder.java
index caf6f85b..38ae539d 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserActivityFinder.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserActivityFinder.java
@@ -1,7 +1,7 @@
 package kr.co.studyhubinu.studyhubserver.user.domain;
 
 import kr.co.studyhubinu.studyhubserver.bookmark.repository.BookmarkRepository;
-import kr.co.studyhubinu.studyhubserver.study.StudyRepository;
+import kr.co.studyhubinu.studyhubserver.study.repository.StudyRepository;
 import kr.co.studyhubinu.studyhubserver.studypost.repository.StudyPostRepository;
 import kr.co.studyhubinu.studyhubserver.user.dto.data.UserActivityCountData;
 import lombok.RequiredArgsConstructor;
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserDeleter.java b/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserDeleter.java
index 44e58d74..5e43f285 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserDeleter.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserDeleter.java
@@ -5,7 +5,7 @@
 
 import kr.co.studyhubinu.studyhubserver.bookmark.domain.BookmarkEntity;
 import kr.co.studyhubinu.studyhubserver.bookmark.repository.BookmarkRepository;
-import kr.co.studyhubinu.studyhubserver.study.StudyRepository;
+import kr.co.studyhubinu.studyhubserver.study.repository.StudyRepository;
 import kr.co.studyhubinu.studyhubserver.studypost.domain.StudyPostEntity;
 import kr.co.studyhubinu.studyhubserver.studypost.repository.StudyPostRepository;
 import kr.co.studyhubinu.studyhubserver.user.repository.UserRepository;
diff --git a/src/main/resources/schema.sql b/src/main/resources/schema.sql
index c8e8bf5d..08c5a91b 100644
--- a/src/main/resources/schema.sql
+++ b/src/main/resources/schema.sql
@@ -54,6 +54,7 @@ CREATE TABLE study
     study_end_date     DATE          DEFAULT NULL,
     chat_url           VARCHAR(100)  DEFAULT NULL,
     master_user_id     BIGINT NOT NULL,
+    major              VARCHAR(50)   DEFAULT NULL,
     created_date       TIMESTAMP(3)     DEFAULT NULL,
     modified_date      TIMESTAMP(3)     DEFAULT NULL,
     PRIMARY KEY (study_id)
diff --git a/src/test/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryTest.java b/src/test/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryTest.java
index a96ed843..7c6199d1 100644
--- a/src/test/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryTest.java
+++ b/src/test/java/kr/co/studyhubinu/studyhubserver/apply/repository/ApplyRepositoryTest.java
@@ -5,7 +5,7 @@
 import kr.co.studyhubinu.studyhubserver.apply.dto.request.UpdateApplyRequest;
 import kr.co.studyhubinu.studyhubserver.apply.enums.Inspection;
 import kr.co.studyhubinu.studyhubserver.exception.apply.ApplyNotFoundException;
-import kr.co.studyhubinu.studyhubserver.study.StudyRepository;
+import kr.co.studyhubinu.studyhubserver.study.repository.StudyRepository;
 import kr.co.studyhubinu.studyhubserver.study.domain.StudyEntity;
 import kr.co.studyhubinu.studyhubserver.support.fixture.StudyEntityFixture;
 import kr.co.studyhubinu.studyhubserver.support.fixture.UserEntityFixture;
diff --git a/src/test/java/kr/co/studyhubinu/studyhubserver/apply/service/ApplyServiceTest.java b/src/test/java/kr/co/studyhubinu/studyhubserver/apply/service/ApplyServiceTest.java
index 82a0a570..d94d09d8 100644
--- a/src/test/java/kr/co/studyhubinu/studyhubserver/apply/service/ApplyServiceTest.java
+++ b/src/test/java/kr/co/studyhubinu/studyhubserver/apply/service/ApplyServiceTest.java
@@ -9,22 +9,16 @@
 import kr.co.studyhubinu.studyhubserver.apply.dto.response.FindApplyResponse;
 import kr.co.studyhubinu.studyhubserver.apply.enums.Inspection;
 import kr.co.studyhubinu.studyhubserver.apply.repository.ApplyRepository;
-import kr.co.studyhubinu.studyhubserver.exception.apply.SameUserRequestException;
-import kr.co.studyhubinu.studyhubserver.exception.user.UserNotFoundException;
-import kr.co.studyhubinu.studyhubserver.study.StudyRepository;
+import kr.co.studyhubinu.studyhubserver.study.repository.StudyRepository;
 import kr.co.studyhubinu.studyhubserver.study.domain.StudyEntity;
 import kr.co.studyhubinu.studyhubserver.user.domain.UserEntity;
 import kr.co.studyhubinu.studyhubserver.user.repository.UserRepository;
-import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
-import org.springframework.data.domain.PageRequest;
-import org.springframework.data.domain.Pageable;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
diff --git a/src/test/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostServiceTest.java b/src/test/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostServiceTest.java
index 232b768f..53eb5dee 100644
--- a/src/test/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostServiceTest.java
+++ b/src/test/java/kr/co/studyhubinu/studyhubserver/studypost/service/StudyPostServiceTest.java
@@ -5,7 +5,7 @@
 import kr.co.studyhubinu.studyhubserver.exception.study.PostStartDateConflictException;
 import kr.co.studyhubinu.studyhubserver.exception.user.UserNotAccessRightException;
 import kr.co.studyhubinu.studyhubserver.exception.user.UserNotFoundException;
-import kr.co.studyhubinu.studyhubserver.study.StudyRepository;
+import kr.co.studyhubinu.studyhubserver.study.repository.StudyRepository;
 import kr.co.studyhubinu.studyhubserver.study.domain.StudyEntity;
 import kr.co.studyhubinu.studyhubserver.studypost.domain.StudyPostEntity;
 import kr.co.studyhubinu.studyhubserver.studypost.dto.data.UpdateStudyPostInfo;