diff --git a/src/main/java/com/diareat/diareat/food/repository/FoodRepository.java b/src/main/java/com/diareat/diareat/food/repository/FoodRepository.java
index b206e45..ce4dada 100644
--- a/src/main/java/com/diareat/diareat/food/repository/FoodRepository.java
+++ b/src/main/java/com/diareat/diareat/food/repository/FoodRepository.java
@@ -8,6 +8,7 @@
 
 public interface FoodRepository extends JpaRepository<Food, Long> {
     boolean existsByIdAndUserId(Long id, Long userId); // 유저가 먹은 음식인지 확인
+    boolean existsByName(String name);
     List<Food> findAllByUserIdAndDate(Long userId, LocalDate date); //유저가 특정 날짜에 먹은 음식 반환
     List<Food> findAllByUserIdAndDateBetween(Long userId, LocalDate startDate, LocalDate endDate); // 유저가 특정 기간 내에 먹은 음식 반환
 }
diff --git a/src/main/java/com/diareat/diareat/food/service/FoodService.java b/src/main/java/com/diareat/diareat/food/service/FoodService.java
index ebd1626..c345ded 100644
--- a/src/main/java/com/diareat/diareat/food/service/FoodService.java
+++ b/src/main/java/com/diareat/diareat/food/service/FoodService.java
@@ -38,6 +38,9 @@ public class FoodService {
     @CacheEvict(value = "ResponseFoodDto", key = "#createFoodDto.getUserId()+#createFoodDto.getDate()", cacheManager = "diareatCacheManager")
     @Transactional
     public Long saveFood(CreateFoodDto createFoodDto) {
+        if (foodRepository.existsByName(createFoodDto.getName())){
+            throw new FoodException(ResponseCode.FOOD_NAME_ALREADY_EXIST);
+        }
         User user = getUserById(createFoodDto.getUserId());
         Food food = Food.createFood(createFoodDto.getName(), user, createFoodDto.getBaseNutrition());
         return foodRepository.save(food).getId();
diff --git a/src/main/java/com/diareat/diareat/util/api/ResponseCode.java b/src/main/java/com/diareat/diareat/util/api/ResponseCode.java
index 994fcd2..e9d88c2 100644
--- a/src/main/java/com/diareat/diareat/util/api/ResponseCode.java
+++ b/src/main/java/com/diareat/diareat/util/api/ResponseCode.java
@@ -30,6 +30,7 @@ public enum ResponseCode {
     FOLLOWED_ALREADY(HttpStatus.CONFLICT, false, "이미 팔로우한 사용자입니다."),
     UNFOLLOWED_ALREADY(HttpStatus.CONFLICT, false, "이미 언팔로우한 사용자입니다."),
     FAVORITE_ALREADY_EXIST(HttpStatus.CONFLICT, false, "이미 즐겨찾기에 존재하는 음식입니다."),
+    FOOD_NAME_ALREADY_EXIST(HttpStatus.CONFLICT, false, "이미 존재하는 음식 이름입니다."),
 
     // 500 Internal Server Error
     INTERNAL_SERVER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, false, "서버에 오류가 발생하였습니다."),