diff --git a/backend/src/main/java/org/ftclub/cabinet/admin/item/service/AdminItemFacadeService.java b/backend/src/main/java/org/ftclub/cabinet/admin/item/service/AdminItemFacadeService.java
index be8d3960e..1726c01f5 100644
--- a/backend/src/main/java/org/ftclub/cabinet/admin/item/service/AdminItemFacadeService.java
+++ b/backend/src/main/java/org/ftclub/cabinet/admin/item/service/AdminItemFacadeService.java
@@ -67,9 +67,7 @@ public void assignItem(List<Long> userIds, Sku sku) {
 	public void assignCoin(List<Long> userIds, Sku sku, Long amount) {
 		Item item = itemQueryService.getBySku(sku);
 		LocalDateTime now = LocalDateTime.now();
-		userIds.forEach(userId -> {
-			userCommandService.updateCoinAmount(userId, amount);
-		});
+		userCommandService.addBulkUserCoin(userIds, amount);
 		itemHistoryCommandService.createCoinAssignHistory(userIds, item.getId(), now, amount);
 	}
 
diff --git a/backend/src/main/java/org/ftclub/cabinet/user/repository/UserRepository.java b/backend/src/main/java/org/ftclub/cabinet/user/repository/UserRepository.java
index 0a384bb73..cd495bac0 100644
--- a/backend/src/main/java/org/ftclub/cabinet/user/repository/UserRepository.java
+++ b/backend/src/main/java/org/ftclub/cabinet/user/repository/UserRepository.java
@@ -140,4 +140,10 @@ public interface UserRepository extends JpaRepository<User, Long> {
 
 	@Query("SELECT u FROM User u WHERE u.deletedAt IS NULL")
 	List<User> findAllDeletedAtIsNull();
+
+	@Modifying(clearAutomatically = true)
+	@Query("UPDATE User u "
+			+ "SET u.coin = u.coin + :amount "
+			+ "WHERE u.id IN :userIds")
+	void updateBulkUserCoin(@Param("userIds") List<Long> userIds, @Param("amount") Long amount);
 }
diff --git a/backend/src/main/java/org/ftclub/cabinet/user/service/UserCommandService.java b/backend/src/main/java/org/ftclub/cabinet/user/service/UserCommandService.java
index 994e9f7b8..54b1f545a 100644
--- a/backend/src/main/java/org/ftclub/cabinet/user/service/UserCommandService.java
+++ b/backend/src/main/java/org/ftclub/cabinet/user/service/UserCommandService.java
@@ -1,6 +1,7 @@
 package org.ftclub.cabinet.user.service;
 
 import java.time.LocalDateTime;
+import java.util.List;
 import javax.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.ftclub.cabinet.auth.domain.FtProfile;
@@ -115,4 +116,8 @@ public void updateCoinAmount(Long userId, Long reward) {
 				.orElseThrow(ExceptionStatus.NOT_FOUND_USER::asServiceException);
 		user.addCoin(reward);
 	}
+
+	public void addBulkUserCoin(List<Long> userIds, Long amount) {
+		userRepository.updateBulkUserCoin(userIds, amount);
+	}
 }