diff --git a/company-service/src/main/java/com/shipflow/companyservice/application/client/ProductFeignClient.java b/company-service/src/main/java/com/shipflow/companyservice/application/client/ProductFeignClient.java
index d2498bf..00ab305 100644
--- a/company-service/src/main/java/com/shipflow/companyservice/application/client/ProductFeignClient.java
+++ b/company-service/src/main/java/com/shipflow/companyservice/application/client/ProductFeignClient.java
@@ -11,8 +11,8 @@
 @FeignClient(name = "product-service")
 public interface ProductFeignClient {
 	@DeleteMapping("/internal/companies/{companyId}/products/deactivate")
-	Void deleteProductByCompanyId(@PathVariable("companyId") UUID companyId);
+	Void deleteProductsByCompanyId(@PathVariable("companyId") UUID companyId);
 
 	@DeleteMapping("/internal/companies/products/deactivate/bulk")
-	Void deleteProductsByCompanyIds(@RequestBody List<UUID> companyIds);
+	Void deleteProductsByCompanyIdList(@RequestBody List<UUID> companyIds);
 }
diff --git a/company-service/src/main/java/com/shipflow/companyservice/application/service/CompanyService.java b/company-service/src/main/java/com/shipflow/companyservice/application/service/CompanyService.java
index a8f9cc8..ce4e86f 100644
--- a/company-service/src/main/java/com/shipflow/companyservice/application/service/CompanyService.java
+++ b/company-service/src/main/java/com/shipflow/companyservice/application/service/CompanyService.java
@@ -61,7 +61,7 @@ public void deleteCompany(UUID companyId) {
 		Company company = findCompanyById(companyId);
 		company.delete(deleterId);
 		companyRepository.save(company);
-		productFeignClient.deleteProductByCompanyId(companyId);
+		productFeignClient.deleteProductsByCompanyId(companyId);
 	}
 
 	@Transactional
@@ -143,7 +143,15 @@ public void deleteProductsByHub(UUID hubId) {
 			company.delete(UserContext.getUserId());
 			companyRepository.save(company);
 		});
-		productFeignClient.deleteProductsByCompanyIds(companyIds);
+		productFeignClient.deleteProductsByCompanyIdList(companyIds);
+	}
+
+	@Transactional
+	public void deleteProductByUser(UUID userId) {
+		Company company = findCompanyByManagerId(userId);
+		company.delete(UserContext.getUserId());
+		companyRepository.save(company);
+		productFeignClient.deleteProductsByCompanyId(company.getId());
 	}
 
 
diff --git a/company-service/src/main/java/com/shipflow/companyservice/presentation/controller/CompanyInternalController.java b/company-service/src/main/java/com/shipflow/companyservice/presentation/controller/CompanyInternalController.java
index 00ed07b..e62b8ce 100644
--- a/company-service/src/main/java/com/shipflow/companyservice/presentation/controller/CompanyInternalController.java
+++ b/company-service/src/main/java/com/shipflow/companyservice/presentation/controller/CompanyInternalController.java
@@ -29,4 +29,9 @@ public VendorInfoResponse getVendorById(@PathVariable("companyId") UUID companyI
 	public void deleteByHub(@PathVariable("hubId") UUID hubId) {
 		companyService.deleteProductsByHub(hubId);
 	}
+
+	@DeleteMapping("/user/{userId}")
+	public void deleteByUser(@PathVariable("userId") UUID userId) {
+		companyService.deleteProductByUser(userId);
+	}
 }
diff --git a/product-service/src/main/java/com/shipflow/productservice/application/service/ProductService.java b/product-service/src/main/java/com/shipflow/productservice/application/service/ProductService.java
index 6a782c1..a61f5e8 100644
--- a/product-service/src/main/java/com/shipflow/productservice/application/service/ProductService.java
+++ b/product-service/src/main/java/com/shipflow/productservice/application/service/ProductService.java
@@ -74,7 +74,7 @@ public void delete(UUID productId, UUID companyId) {
 		validateAuth(companyId);
 
 		UUID deleterId = UserContext.getUserId();
-		Product product = findProductById(productId);
+		Product product = validateProductOwnership(productId, companyId);
 		product.delete(deleterId);
 		productRepository.save(product);
 
@@ -173,10 +173,8 @@ public StockInfoResponse getStockInfoAndOccupy(@Param("productId") UUID productI
 			.orElseThrow(() -> new BusinessException(CommonErrorCode.INTERNAL_SERVER_ERROR));
 
 		if(currentStock<0){
-			Long restoreStock=redisTemplate.opsForValue().increment(stockKey, (long)quantity);
-			return new StockInfoResponse(productId, product.getName(), product.getCompanyId(),
-				product.getCompanyName(), product.getHubId(),
-				restoreStock != null ? restoreStock.intValue() : currentStock.intValue());
+			redisTemplate.opsForValue().increment(stockKey, (long)quantity);
+			throw new BusinessException(ProductErrorCode.EXCEEDS_STOCK_LEVEL);
 		}
 
 		redisTemplate.opsForValue().set(occupancyKey, quantity, Duration.ofSeconds(5));
diff --git a/user-service/src/main/java/com/shipflow/userservice/infrastructure/client/CompanyFeignClient.java b/user-service/src/main/java/com/shipflow/userservice/infrastructure/client/CompanyFeignClient.java
index 6d010fa..8d46061 100644
--- a/user-service/src/main/java/com/shipflow/userservice/infrastructure/client/CompanyFeignClient.java
+++ b/user-service/src/main/java/com/shipflow/userservice/infrastructure/client/CompanyFeignClient.java
@@ -8,6 +8,6 @@
 
 @FeignClient(name = "company-service")
 public interface CompanyFeignClient {
-	@DeleteMapping("/internal/companies/{userId}")
+	@DeleteMapping("/internal/companies/user/{userId}")
 	ClientApiResponse<Void> deleteManager(@PathVariable UUID userId);
 }