diff --git a/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/enums/ErrorCodeConstants.java b/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/enums/ErrorCodeConstants.java
index 790a9bf..3b3143a 100644
--- a/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/enums/ErrorCodeConstants.java
+++ b/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/enums/ErrorCodeConstants.java
@@ -81,6 +81,8 @@ public interface ErrorCodeConstants {
     ErrorCode PRODUCT_NOT_EXISTS = new ErrorCode(1_020_008_000, "产品不存在");
     ErrorCode PRODUCT_NO_EXISTS = new ErrorCode(1_020_008_001, "产品编号已存在");
     ErrorCode PRODUCT_NOT_ENABLE = new ErrorCode(1_020_008_002, "产品【{}】已禁用");
+    ErrorCode PRODUCT_DELETE_FAIL_CONTRACT_EXISTS = new ErrorCode(1_020_008_003, "产品已被合同引用，无法删除");
+    ErrorCode PRODUCT_DELETE_FAIL_BUSINESS_EXISTS = new ErrorCode(1_020_008_004, "产品已被商机引用，无法删除");
 
     // ========== 产品分类 1_020_009_000 ==========
     ErrorCode PRODUCT_CATEGORY_NOT_EXISTS = new ErrorCode(1_020_009_000, "产品分类不存在");
diff --git a/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/service/product/CrmProductServiceImpl.java b/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/service/product/CrmProductServiceImpl.java
index e45c4db..2629bd6 100644
--- a/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/service/product/CrmProductServiceImpl.java
+++ b/yudao-module-crm/src/main/java/cn/iocoder/yudao/module/crm/service/product/CrmProductServiceImpl.java
@@ -5,8 +5,12 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 import cn.iocoder.yudao.module.crm.controller.admin.product.vo.product.CrmProductPageReqVO;
 import cn.iocoder.yudao.module.crm.controller.admin.product.vo.product.CrmProductSaveReqVO;
+import cn.iocoder.yudao.module.crm.dal.dataobject.business.CrmBusinessProductDO;
+import cn.iocoder.yudao.module.crm.dal.dataobject.contract.CrmContractProductDO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.product.CrmProductCategoryDO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.product.CrmProductDO;
+import cn.iocoder.yudao.module.crm.dal.mysql.business.CrmBusinessProductMapper;
+import cn.iocoder.yudao.module.crm.dal.mysql.contract.CrmContractProductMapper;
 import cn.iocoder.yudao.module.crm.dal.mysql.product.CrmProductMapper;
 import cn.iocoder.yudao.module.crm.enums.common.CrmBizTypeEnum;
 import cn.iocoder.yudao.module.crm.enums.permission.CrmPermissionLevelEnum;
@@ -49,6 +53,10 @@ public class CrmProductServiceImpl implements CrmProductService {
     @Resource
     private CrmProductCategoryService productCategoryService;
     @Resource
+    private CrmContractProductMapper contractProductMapper;
+    @Resource
+    private CrmBusinessProductMapper businessProductMapper;
+    @Resource
     private CrmPermissionService permissionService;
 
     @Resource
@@ -128,6 +136,13 @@ public class CrmProductServiceImpl implements CrmProductService {
     public void deleteProduct(Long id) {
         // 校验存在
         validateProductExists(id);
+        // 校验未被合同/商机引用，避免删除后产生悬空引用
+        if (contractProductMapper.selectCount(CrmContractProductDO::getProductId, id) > 0) {
+            throw exception(PRODUCT_DELETE_FAIL_CONTRACT_EXISTS);
+        }
+        if (businessProductMapper.selectCount(CrmBusinessProductDO::getProductId, id) > 0) {
+            throw exception(PRODUCT_DELETE_FAIL_BUSINESS_EXISTS);
+        }
         // 删除
         productMapper.deleteById(id);
     }
diff --git a/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/enums/ErrorCodeConstants.java b/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/enums/ErrorCodeConstants.java
index 65f64c2..af735a9 100644
--- a/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/enums/ErrorCodeConstants.java
+++ b/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/enums/ErrorCodeConstants.java
@@ -130,6 +130,12 @@ ErrorCode PURCHASE_ORDER_ITEM_RETURN_FAIL_IN_EXCEED = new ErrorCode(1_030_101_00
     // ========== ERP 产品 1-030-500-000 ==========
     ErrorCode PRODUCT_NOT_EXISTS = new ErrorCode(1_030_500_000, "产品不存在");
     ErrorCode PRODUCT_NOT_ENABLE = new ErrorCode(1_030_500_001, "产品({})未启用");
+    ErrorCode PRODUCT_DELETE_FAIL_PURCHASE_ORDER_EXISTS = new ErrorCode(1_030_500_002, "产品已被采购订单引用，无法删除");
+    ErrorCode PRODUCT_DELETE_FAIL_PURCHASE_IN_EXISTS = new ErrorCode(1_030_500_003, "产品已被采购入库单引用，无法删除");
+    ErrorCode PRODUCT_DELETE_FAIL_PURCHASE_RETURN_EXISTS = new ErrorCode(1_030_500_004, "产品已被采购退货单引用，无法删除");
+    ErrorCode PRODUCT_DELETE_FAIL_SALE_ORDER_EXISTS = new ErrorCode(1_030_500_005, "产品已被销售订单引用，无法删除");
+    ErrorCode PRODUCT_DELETE_FAIL_SALE_OUT_EXISTS = new ErrorCode(1_030_500_006, "产品已被销售出库单引用，无法删除");
+    ErrorCode PRODUCT_DELETE_FAIL_SALE_RETURN_EXISTS = new ErrorCode(1_030_500_007, "产品已被销售退货单引用，无法删除");
 
     // ========== ERP 产品分类 1-030-501-000 ==========
     ErrorCode PRODUCT_CATEGORY_NOT_EXISTS = new ErrorCode(1_030_501_000, "产品分类不存在");
diff --git a/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/service/product/ErpProductServiceImpl.java b/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/service/product/ErpProductServiceImpl.java
index 88599a8..0193a87 100644
--- a/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/service/product/ErpProductServiceImpl.java
+++ b/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/service/product/ErpProductServiceImpl.java
@@ -11,7 +11,19 @@ import cn.iocoder.yudao.module.erp.controller.admin.product.vo.product.ProductSa
 import cn.iocoder.yudao.module.erp.dal.dataobject.product.ErpProductCategoryDO;
 import cn.iocoder.yudao.module.erp.dal.dataobject.product.ErpProductDO;
 import cn.iocoder.yudao.module.erp.dal.dataobject.product.ErpProductUnitDO;
+import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseInItemDO;
+import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseOrderItemDO;
+import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseReturnItemDO;
+import cn.iocoder.yudao.module.erp.dal.dataobject.sale.ErpSaleOrderItemDO;
+import cn.iocoder.yudao.module.erp.dal.dataobject.sale.ErpSaleOutItemDO;
+import cn.iocoder.yudao.module.erp.dal.dataobject.sale.ErpSaleReturnItemDO;
 import cn.iocoder.yudao.module.erp.dal.mysql.product.ErpProductMapper;
+import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseInItemMapper;
+import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderItemMapper;
+import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseReturnItemMapper;
+import cn.iocoder.yudao.module.erp.dal.mysql.sale.ErpSaleOrderItemMapper;
+import cn.iocoder.yudao.module.erp.dal.mysql.sale.ErpSaleOutItemMapper;
+import cn.iocoder.yudao.module.erp.dal.mysql.sale.ErpSaleReturnItemMapper;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
@@ -38,6 +50,18 @@ public class ErpProductServiceImpl implements ErpProductService {
     private ErpProductCategoryService productCategoryService;
     @Resource
     private ErpProductUnitService productUnitService;
+    @Resource
+    private ErpPurchaseOrderItemMapper purchaseOrderItemMapper;
+    @Resource
+    private ErpPurchaseInItemMapper purchaseInItemMapper;
+    @Resource
+    private ErpPurchaseReturnItemMapper purchaseReturnItemMapper;
+    @Resource
+    private ErpSaleOrderItemMapper saleOrderItemMapper;
+    @Resource
+    private ErpSaleOutItemMapper saleOutItemMapper;
+    @Resource
+    private ErpSaleReturnItemMapper saleReturnItemMapper;
 
     @Override
     public Long createProduct(ProductSaveReqVO createReqVO) {
@@ -63,6 +87,25 @@ public class ErpProductServiceImpl implements ErpProductService {
     public void deleteProduct(Long id) {
         // 校验存在
         validateProductExists(id);
+        // 校验未被任何业务单据明细引用，避免删除后产生悬空引用
+        if (purchaseOrderItemMapper.selectCount(ErpPurchaseOrderItemDO::getProductId, id) > 0) {
+            throw exception(PRODUCT_DELETE_FAIL_PURCHASE_ORDER_EXISTS);
+        }
+        if (purchaseInItemMapper.selectCount(ErpPurchaseInItemDO::getProductId, id) > 0) {
+            throw exception(PRODUCT_DELETE_FAIL_PURCHASE_IN_EXISTS);
+        }
+        if (purchaseReturnItemMapper.selectCount(ErpPurchaseReturnItemDO::getProductId, id) > 0) {
+            throw exception(PRODUCT_DELETE_FAIL_PURCHASE_RETURN_EXISTS);
+        }
+        if (saleOrderItemMapper.selectCount(ErpSaleOrderItemDO::getProductId, id) > 0) {
+            throw exception(PRODUCT_DELETE_FAIL_SALE_ORDER_EXISTS);
+        }
+        if (saleOutItemMapper.selectCount(ErpSaleOutItemDO::getProductId, id) > 0) {
+            throw exception(PRODUCT_DELETE_FAIL_SALE_OUT_EXISTS);
+        }
+        if (saleReturnItemMapper.selectCount(ErpSaleReturnItemDO::getProductId, id) > 0) {
+            throw exception(PRODUCT_DELETE_FAIL_SALE_RETURN_EXISTS);
+        }
         // 删除
         productMapper.deleteById(id);
     }