diff --git a/src/main/java/org/sopt/sweet/domain/gift/controller/GiftController.java b/src/main/java/org/sopt/sweet/domain/gift/controller/GiftController.java
index e614dd1..dfcf467 100644
--- a/src/main/java/org/sopt/sweet/domain/gift/controller/GiftController.java
+++ b/src/main/java/org/sopt/sweet/domain/gift/controller/GiftController.java
@@ -89,6 +89,12 @@ public ResponseEntity<SuccessResponse<?>> getRanking(@PathVariable Long roomId)
         return SuccessResponse.ok(ranking);
     }
 
+    @PostMapping("/tournament-end/{roomId}")
+    public ResponseEntity<SuccessResponse<?>> endTournament(@UserId Long userId, @PathVariable Long roomId) {
+        giftService.endTournament(roomId);
+        return SuccessResponse.created(null);
+    }
+
 
 
 
diff --git a/src/main/java/org/sopt/sweet/domain/gift/service/GiftService.java b/src/main/java/org/sopt/sweet/domain/gift/service/GiftService.java
index 1115fa0..b7844cc 100644
--- a/src/main/java/org/sopt/sweet/domain/gift/service/GiftService.java
+++ b/src/main/java/org/sopt/sweet/domain/gift/service/GiftService.java
@@ -312,4 +312,12 @@ public String getGifteeName(Long roomId) {
         return gifteeName;
     }
 
+    public void endTournament(Long roomId) {
+        Room room = findRoomByIdOrThrow(roomId);
+        TournamentDuration tournamentDuration = room.getTournamentDuration();
+        LocalDateTime newStartDate = LocalDateTime.now().minusHours(tournamentDuration.getHours());
+        room.setTournamentStartDate(newStartDate);
+
+    }
+
 }
\ No newline at end of file
diff --git a/src/main/java/org/sopt/sweet/domain/room/entity/Room.java b/src/main/java/org/sopt/sweet/domain/room/entity/Room.java
index 2d7f52a..91895ef 100644
--- a/src/main/java/org/sopt/sweet/domain/room/entity/Room.java
+++ b/src/main/java/org/sopt/sweet/domain/room/entity/Room.java
@@ -69,4 +69,7 @@ public void setImageUrl(String imageUrl) {
     public void setGifteeName(String gifteeName) {
         this.gifteeName = gifteeName;
     }
+
+    public  void setTournamentStartDate(LocalDateTime tournamentStartDate) { this.tournamentStartDate = tournamentStartDate;
+    }
 }