diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/study/StudyRepository.java b/src/main/java/kr/co/studyhubinu/studyhubserver/study/StudyRepository.java
new file mode 100644
index 00000000..63cdb398
--- /dev/null
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/study/StudyRepository.java
@@ -0,0 +1,7 @@
+package kr.co.studyhubinu.studyhubserver.study;
+
+import kr.co.studyhubinu.studyhubserver.study.domain.StudyEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface StudyRepository extends JpaRepository<StudyEntity, Long> {
+}
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
new file mode 100644
index 00000000..d7979212
--- /dev/null
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/user/domain/UserActivityFinder.java
@@ -0,0 +1,25 @@
+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.studypost.repository.StudyPostRepository;
+import kr.co.studyhubinu.studyhubserver.user.dto.data.UserActivityCountData;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class UserActivityFinder {
+
+    private final StudyPostRepository studyPostRepository;
+    private final BookMarkRepository bookMarkRepository;
+    private final StudyRepository studyRepository;
+
+    public UserActivityCountData countUserActivity(Long userId) {
+        Long postCount = studyPostRepository.countByPostedUserId(userId);
+        Long participateCount = 0L;
+        Long bookmarkCount = bookMarkRepository.countByUserId(userId);
+        return new UserActivityCountData(postCount, participateCount, bookmarkCount);
+    }
+
+}
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/user/dto/data/UserActivityCountData.java b/src/main/java/kr/co/studyhubinu/studyhubserver/user/dto/data/UserActivityCountData.java
new file mode 100644
index 00000000..0f425191
--- /dev/null
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/user/dto/data/UserActivityCountData.java
@@ -0,0 +1,16 @@
+package kr.co.studyhubinu.studyhubserver.user.dto.data;
+
+import lombok.Getter;
+
+@Getter
+public class UserActivityCountData {
+    private Long postCount;
+    private Long participateCount;
+    private Long bookmarkCount;
+
+    public UserActivityCountData(Long postCount, Long participateCount, Long bookmarkCount) {
+        this.postCount = postCount;
+        this.participateCount = participateCount;
+        this.bookmarkCount = bookmarkCount;
+    }
+}
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/user/dto/response/GetUserResponse.java b/src/main/java/kr/co/studyhubinu/studyhubserver/user/dto/response/GetUserResponse.java
index cfb1f2c1..b7085612 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/user/dto/response/GetUserResponse.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/user/dto/response/GetUserResponse.java
@@ -1,6 +1,7 @@
 package kr.co.studyhubinu.studyhubserver.user.dto.response;
 
 import kr.co.studyhubinu.studyhubserver.user.domain.UserEntity;
+import kr.co.studyhubinu.studyhubserver.user.dto.data.UserActivityCountData;
 import kr.co.studyhubinu.studyhubserver.user.enums.GenderType;
 import kr.co.studyhubinu.studyhubserver.user.enums.MajorType;
 import lombok.Getter;
@@ -8,13 +9,19 @@
 @Getter
 public class GetUserResponse {
 
+    private Long postCount;
+    private Long participateCount;
+    private Long bookmarkCount;
     private String nickname;
     private MajorType major;
     private GenderType gender;
     private String email;
     private String imageUrl;
-  
-    public GetUserResponse(UserEntity user) {
+
+    public GetUserResponse(UserEntity user, UserActivityCountData data) {
+        this.postCount = data.getPostCount();
+        this.participateCount = data.getParticipateCount();
+        this.bookmarkCount = data.getBookmarkCount();
         this.nickname = user.getNickname();
         this.major = user.getMajor();
         this.gender = user.getGender();
diff --git a/src/main/java/kr/co/studyhubinu/studyhubserver/user/service/UserService.java b/src/main/java/kr/co/studyhubinu/studyhubserver/user/service/UserService.java
index 6089dd7e..3da33335 100644
--- a/src/main/java/kr/co/studyhubinu/studyhubserver/user/service/UserService.java
+++ b/src/main/java/kr/co/studyhubinu/studyhubserver/user/service/UserService.java
@@ -5,6 +5,8 @@
 import kr.co.studyhubinu.studyhubserver.exception.user.UserNotAccessRightException;
 import kr.co.studyhubinu.studyhubserver.exception.user.UserNotFoundException;
 import kr.co.studyhubinu.studyhubserver.exception.user.*;
+import kr.co.studyhubinu.studyhubserver.studypost.repository.StudyPostRepository;
+import kr.co.studyhubinu.studyhubserver.user.domain.UserActivityFinder;
 import kr.co.studyhubinu.studyhubserver.user.domain.UserEntity;
 import kr.co.studyhubinu.studyhubserver.user.dto.data.*;
 import kr.co.studyhubinu.studyhubserver.user.dto.response.GetUserResponse;
@@ -24,6 +26,7 @@ public class UserService {
 
     private final UserRepository userRepository;
     private final BCryptPasswordEncoder bCryptPasswordEncoder;
+    private final UserActivityFinder userActivityFinder;
 
     @Transactional
     public void registerUser(SignUpInfo signUpInfo) {
@@ -46,7 +49,8 @@ public void deleteUser(Long userId) {
   
     public GetUserResponse getUser(Long userId) {
         UserEntity user = userRepository.findById(userId).orElseThrow(UserNotFoundException::new);
-        return new GetUserResponse(user);
+        UserActivityCountData data = userActivityFinder.countUserActivity(userId);
+        return new GetUserResponse(user, data);
     }
 
     @Transactional