diff --git a/src/main/java/com/smunity/petition/domain/petition/dto/RespondRequest.java b/src/main/java/com/smunity/petition/domain/petition/dto/RespondRequest.java
index b73aa84..eebd72b 100644
--- a/src/main/java/com/smunity/petition/domain/petition/dto/RespondRequest.java
+++ b/src/main/java/com/smunity/petition/domain/petition/dto/RespondRequest.java
@@ -16,7 +16,8 @@ public static class CreateRespondDTO {
 
         public Respond toEntity() {
             return Respond.builder()
-                    .petition(new Petition(petitionId))
+                    .petition(null)
+                    //여기선 null값을 넣어주고 Service에서 실제 값을 넣어주자
                     .content(content)
                     .build();
         }
diff --git a/src/main/java/com/smunity/petition/domain/petition/entity/Respond.java b/src/main/java/com/smunity/petition/domain/petition/entity/Respond.java
index 4182329..1468705 100644
--- a/src/main/java/com/smunity/petition/domain/petition/entity/Respond.java
+++ b/src/main/java/com/smunity/petition/domain/petition/entity/Respond.java
@@ -33,6 +33,10 @@ public void setUser(User user) {
         this.user.getResponds().add(this);
     }
 
+    public void setPetition(Petition petition) {
+        this.petition = petition;
+    }
+
     public void updateRespond(RespondRequest.UpdateDTO updateDTO) {
         this.content = updateDTO.getContent();
     }
diff --git a/src/main/java/com/smunity/petition/domain/petition/service/RespondService.java b/src/main/java/com/smunity/petition/domain/petition/service/RespondService.java
index 651812b..68b4ac6 100644
--- a/src/main/java/com/smunity/petition/domain/petition/service/RespondService.java
+++ b/src/main/java/com/smunity/petition/domain/petition/service/RespondService.java
@@ -5,8 +5,10 @@
 import com.smunity.petition.domain.petition.dto.RespondRequest;
 import com.smunity.petition.domain.petition.dto.RespondResponse;
 
+import com.smunity.petition.domain.petition.entity.Petition;
 import com.smunity.petition.domain.petition.entity.Respond;
 
+import com.smunity.petition.domain.petition.repository.PetitionRepository;
 import com.smunity.petition.domain.petition.repository.RespondRepository;
 import com.smunity.petition.global.common.code.status.ErrorCode;
 import com.smunity.petition.global.common.exception.GeneralException;
@@ -23,6 +25,7 @@
 public class RespondService {
     private final RespondRepository respondRepository;
     private final UserRepository userRepository;
+    private final PetitionRepository petitionRepository;
 
     public RespondResponse.respondDetail findRespondByPetitionId(Long respondId) {
         Respond respond = respondRepository.findByPetitionId(respondId);
@@ -37,16 +40,19 @@ public List<RespondResponse.respondList> getResponds() {
         List<Respond> responds = respondRepository.findAll();
         return RespondResponse.respondList.from(responds);
     }
-
+    //청원글 생성
     @Transactional
     public RespondResponse.respondDetail createRespond(RespondRequest.CreateRespondDTO request) {
         User user = userRepository.findByUserName("201910925").orElseThrow(() -> new GeneralException(ErrorCode._INTERNAL_SERVER_ERROR));
+        Petition petition = petitionRepository.findById(request.getPetitionId()).orElseThrow(() -> new GeneralException(ErrorCode.PETITION_NOT_FOUND));
         Respond respond = request.toEntity();
+        //DTO에 Petition 객체를 넣는 대신 여기서 Petition을 주입해주고 id를 받자
+        respond.setPetition(petition);
         respond.setUser(user);
         respondRepository.save(respond);
         return RespondResponse.respondDetail.from(respond);
     }
-
+    //청원글 업데이트
     @Transactional
     public RespondResponse.respondDetail updateRespond(RespondRequest.UpdateDTO updateDTO, Long respondId) {
         //respondRepo에서 해당 respond를 찾는다.
@@ -61,5 +67,4 @@ public RespondResponse.respondDetail updateRespond(RespondRequest.UpdateDTO upda
     public void deleteRespond(Long respondId) {
         respondRepository.deleteById(respondId);
     }
-
 }