diff --git a/src/main/java/treehouse/server/api/comment/business/CommentService.java b/src/main/java/treehouse/server/api/comment/business/CommentService.java
index 6de1641..06f8699 100644
--- a/src/main/java/treehouse/server/api/comment/business/CommentService.java
+++ b/src/main/java/treehouse/server/api/comment/business/CommentService.java
@@ -169,6 +169,9 @@ public CommentResponseDTO.CommentIdResponseDto createComment(User user, Long tre
 
     public CommentResponseDTO.CommentIdResponseDto createReply(User user, Long treehouseId, Long postId, Long parentId, CommentRequestDTO.createComment request){
 
+        if(commentQueryAdapter.getCommentById(parentId).getParentId()!=-1L){
+            throw new CommentException(GlobalErrorCode.REPLY_CREATE_BAD_REQUEST);
+        }
         TreeHouse treehouse = treehouseQueryAdapter.getTreehouseById(treehouseId);
         Post post = postQueryAdapter.findById(postId);
         Member writer = memberQueryAdapter.findByUserAndTreehouse(user, treehouse);
@@ -181,8 +184,13 @@ public CommentResponseDTO.CommentIdResponseDto createReply(User user, Long treeh
     public void deleteComment(User user, Long treehouseId, Long postId, Long commentId) {
 
         Comment comment = commentQueryAdapter.getCommentById(commentId);
+        Member loginMember = memberQueryAdapter.findByUserAndTreehouse(user, treehouseQueryAdapter.getTreehouseById(treehouseId));
+        Member commentWriter = commentQueryAdapter.getCommentById(commentId).getWriter();
+        Member postWriter = postQueryAdapter.findById(postId).getWriter();
 
-        commentCommandAdapter.deleteComment(comment);
+        if (loginMember.getId() == commentWriter.getId() || loginMember.getId() == postWriter.getId()) {
+            commentCommandAdapter.deleteComment(comment);
+        } else throw new CommentException(GlobalErrorCode.COMMENT_DELETE_FORBIDDEN);
     }
 
     @Transactional
diff --git a/src/main/java/treehouse/server/api/comment/presentation/CommentApi.java b/src/main/java/treehouse/server/api/comment/presentation/CommentApi.java
index cdd2467..eee6b8e 100644
--- a/src/main/java/treehouse/server/api/comment/presentation/CommentApi.java
+++ b/src/main/java/treehouse/server/api/comment/presentation/CommentApi.java
@@ -83,7 +83,7 @@ public CommonResponse deleteComment(
             @AuthMember @Parameter(hidden = true) User user
     )
     {
-        commentService.deleteComment(user,commentId,treehouseId,postId);
+        commentService.deleteComment(user,treehouseId,postId, commentId);
         return CommonResponse.onSuccess(null);
     }
 
diff --git a/src/main/java/treehouse/server/global/exception/GlobalErrorCode.java b/src/main/java/treehouse/server/global/exception/GlobalErrorCode.java
index 80fa6b7..bf5aeb0 100644
--- a/src/main/java/treehouse/server/global/exception/GlobalErrorCode.java
+++ b/src/main/java/treehouse/server/global/exception/GlobalErrorCode.java
@@ -65,11 +65,17 @@ public enum GlobalErrorCode implements BaseErrorCode{
     // POST + 404 Not Found - 찾을 수 없음
     POST_NOT_FOUND(NOT_FOUND, "POST404_1", "존재하지 않는 게시글입니다."),
 
+    // COMMENT + 403 Forbidden - 금지됨
+    COMMENT_SELF_REPORT(FORBIDDEN, "COMMENT403_1", "자신의 댓글은 신고할 수 없습니다."),
+
+    // COMMENT + 403 Forbidden
+    COMMENT_DELETE_FORBIDDEN(FORBIDDEN, "COMMENT403_2", "자신이 작성한 게시글에 대한 댓글이나 자신이 작성한 댓글만 삭제 가능합니다."),
+
     // COMMENT + 404 Not Found - 찾을 수 없음
     COMMENT_NOT_FOUND(NOT_FOUND, "COMMENT404_1", "존재하지 않는 댓글입니다."),
 
-    // COMMENT + 403 Forbidden - 금지됨
-    COMMENT_SELF_REPORT(FORBIDDEN, "COMMENT403_1", "자신의 댓글은 신고할 수 없습니다."),
+    // REPLY + 400 Bad Request - 잘못된 요청
+    REPLY_CREATE_BAD_REQUEST(BAD_REQUEST, "REPLY400_1", "댓글에 대해서만 대댓글 작성 가능합니다."),
 
     // REPLY + 404 Not Found - 찾을 수 없음
     REPLY_NOT_FOUND(NOT_FOUND, "REPLY404_1", "존재하지 않는 답글입니다."),