diff --git a/src/main/java/com/example/dplus/controller/post/PostMainController.java b/src/main/java/com/example/dplus/controller/post/PostMainController.java
index 81773d88..a686e61f 100644
--- a/src/main/java/com/example/dplus/controller/post/PostMainController.java
+++ b/src/main/java/com/example/dplus/controller/post/PostMainController.java
@@ -93,10 +93,9 @@ public ResponseEntity<Success> updatePost(@AuthenticationPrincipal UserDetailsIm
     @DeleteMapping("/{post_id}")
     public ResponseEntity<Success> deletePost(@AuthenticationPrincipal UserDetailsImpl user,
                                               @PathVariable Long post_id,
-                                              @RequestParam("category") String category,
                                               @RequestParam("board") String board) {
         if (user != null) {
-            postMainPageService.deletePost(user.getUser().getId(), post_id, category, board);
+            postMainPageService.deletePost(user.getUser().getId(), post_id, board);
             return new ResponseEntity<>(new Success("디플 게시물 삭제", ""), HttpStatus.OK);
         }
         throw new ErrorCustomException(ErrorCode.NO_AUTHENTICATION_ERROR);
diff --git a/src/main/java/com/example/dplus/domain/artwork/ArtWorks.java b/src/main/java/com/example/dplus/domain/artwork/ArtWorks.java
index 0ba02fd6..9de32d28 100644
--- a/src/main/java/com/example/dplus/domain/artwork/ArtWorks.java
+++ b/src/main/java/com/example/dplus/domain/artwork/ArtWorks.java
@@ -122,7 +122,7 @@ public static ArtWorks of(Account account, ArtWorkCreate dto) {
                 .title(dto.getTitle())
                 .workStart(dto.getWork_start())
                 .workEnd(dto.getWork_end())
-                .isMaster(dto.getMaster())
+                .isMaster(dto.getIs_master())
                 .specialty(dto.getSpecialty())
                 .copyright(dto.getCopyright())
                 .thumbnail(dto.getThumbnail())
diff --git a/src/main/java/com/example/dplus/repository/post/answer/PostAnswerRepository.java b/src/main/java/com/example/dplus/repository/post/answer/PostAnswerRepository.java
index 3f6c0665..c8a1474d 100644
--- a/src/main/java/com/example/dplus/repository/post/answer/PostAnswerRepository.java
+++ b/src/main/java/com/example/dplus/repository/post/answer/PostAnswerRepository.java
@@ -3,6 +3,10 @@
 import com.example.dplus.domain.post.PostAnswer;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface PostAnswerRepository extends JpaRepository<PostAnswer, Long>, PostAnswerRepositoryCustom {
     Long countByPostId(Long postId);
+    void deleteAllByPostId(Long postId);
+    List<PostAnswer> findAllByPostId(Long postId);
 }
diff --git a/src/main/java/com/example/dplus/repository/post/comment/PostCommentRepository.java b/src/main/java/com/example/dplus/repository/post/comment/PostCommentRepository.java
index f0d37da5..0e28a8c6 100644
--- a/src/main/java/com/example/dplus/repository/post/comment/PostCommentRepository.java
+++ b/src/main/java/com/example/dplus/repository/post/comment/PostCommentRepository.java
@@ -3,7 +3,10 @@
 import com.example.dplus.domain.post.PostComment;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface PostCommentRepository extends JpaRepository<PostComment, Long>, PostCommentRepositoryCustom {
     Long countByPostId(Long postId);
     void deleteAllByPostId(Long postId);
+    List<PostComment> findAllByPostId(Long postId);
 }
diff --git a/src/main/java/com/example/dplus/repository/post/like/PostAnswerLikesRepository.java b/src/main/java/com/example/dplus/repository/post/like/PostAnswerLikesRepository.java
index 2ecf973a..bc523998 100644
--- a/src/main/java/com/example/dplus/repository/post/like/PostAnswerLikesRepository.java
+++ b/src/main/java/com/example/dplus/repository/post/like/PostAnswerLikesRepository.java
@@ -5,4 +5,5 @@
 
 public interface PostAnswerLikesRepository extends JpaRepository<PostAnswerLikes, Long>, PostAnswerLikesRepositoryCustom {
     void deleteByPostAnswerIdAndAccountId(Long postAnswerId, Long accountId );
+    void deleteAllByPostAnswerId(Long postAnswerId);
 }
diff --git a/src/main/java/com/example/dplus/service/post/PostMainPageService.java b/src/main/java/com/example/dplus/service/post/PostMainPageService.java
index e2d3d37b..597acc78 100644
--- a/src/main/java/com/example/dplus/service/post/PostMainPageService.java
+++ b/src/main/java/com/example/dplus/service/post/PostMainPageService.java
@@ -33,7 +33,7 @@ public interface PostMainPageService {
     Long updatePost(Long accountId, Long postId, PostRequestDto.PostUpdate dto, List<MultipartFile> imgFile);
 
     // 게시글 삭제
-    void deletePost(Long accountId, Long postId, String category, String board);
+    void deletePost(Long accountId, Long postId, String board);
 
     // 상세 질문글
     PostResponseDto.PostAnswerDetailPage detailAnswer(Long accountId, Long postId);
diff --git a/src/main/java/com/example/dplus/service/post/PostMainPageServiceImpl.java b/src/main/java/com/example/dplus/service/post/PostMainPageServiceImpl.java
index 75ef3c17..e32d4924 100644
--- a/src/main/java/com/example/dplus/service/post/PostMainPageServiceImpl.java
+++ b/src/main/java/com/example/dplus/service/post/PostMainPageServiceImpl.java
@@ -143,15 +143,31 @@ public Long updatePost(Long accountId, Long postId, PostUpdate dto, List<Multipa
 
     // 게시글 삭제
     @Transactional
-    public void deletePost(Long accountId, Long postId, String category, String board){
+    public void deletePost(Long accountId, Long postId, String board){
         Post post = postAuthValidation(accountId, postId);
         List<PostImage> postImages = postImageRepository.findByPostId(postId);
         postImages.forEach((img) -> {
+            // S3 이미지 삭제
             fileProcessService.deleteImage(img.getPostImg());
         });
-        postImageRepository.deleteAllByPostId(postId);
-        postBookMarkRepository.deleteAllByPostId(postId);
-        postRepository.delete(post);
+        if (board.equals("QNA")){
+            List<com.example.dplus.domain.post.PostAnswer> postAnswerList = postAnswerRepository.findAllByPostId(postId);
+            postAnswerList.forEach((postAnswer) ->
+                    postAnswerLikesRepository.deleteAllByPostAnswerId(postAnswer.getId())
+            );
+            postAnswerRepository.deleteAllByPostId(postId);
+            postImageRepository.deleteAllByPostId(postId);
+            postBookMarkRepository.deleteAllByPostId(postId);
+            postRepository.delete(post);
+        } else {
+            List<com.example.dplus.domain.post.PostComment> postCommentList = postCommentRepository.findAllByPostId(postId);
+            postCommentList.forEach((postComment) ->
+                    postCommentLikesRepository.deleteAllByPostCommentId(postComment.getId())
+            );
+            postImageRepository.deleteAllByPostId(postId);
+            postBookMarkRepository.deleteAllByPostId(postId);
+            postRepository.delete(post);
+        }
     }
 
     // 게시글 검색