diff --git a/server/shopping-cart/internal/handler/routes.go b/server/shopping-cart/internal/handler/routes.go
index 9857154b..3a4188d6 100644
--- a/server/shopping-cart/internal/handler/routes.go
+++ b/server/shopping-cart/internal/handler/routes.go
@@ -32,6 +32,11 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 				Path:    "/api/shopping-cart/get_carts",
 				Handler: GetCartsHandler(serverCtx),
 			},
+			{
+				Method:  http.MethodPost,
+				Path:    "/api/shopping-cart/calculate_cart_price",
+				Handler: CalculateCartPriceHandler(serverCtx),
+			},
 		},
 	)
 }
diff --git a/server/shopping-cart/internal/types/types.go b/server/shopping-cart/internal/types/types.go
index db117d2a..231c717e 100644
--- a/server/shopping-cart/internal/types/types.go
+++ b/server/shopping-cart/internal/types/types.go
@@ -80,6 +80,25 @@ type DiyInformation struct {
 	Slogan  string `json:"slogan"`
 }
 
+type CalculateCartPriceReq struct {
+	CalculateList []CalculateItem `json:"calculate_list"`
+}
+
+type CalculateItem struct {
+	CartId           int64 `json:"cart_id"`           //购物车id
+	PurchaseQuantity int64 `json:"purchase_quantity"` //数量
+}
+
+type CalculateCartPriceRsp struct {
+	CalculateResultList []CalculateResultItem `json:"calculate_result_list"`
+}
+
+type CalculateResultItem struct {
+	CartId     int64  `json:"cart_id"`     //购物车id
+	ItemPrice  string `json:"item_price"`  //单价
+	TotalPrice string `json:"total_price"` //总价
+}
+
 type Request struct {
 }
 
diff --git a/server_api/shopping-cart.api b/server_api/shopping-cart.api
index 27249f45..5c3da538 100644
--- a/server_api/shopping-cart.api
+++ b/server_api/shopping-cart.api
@@ -21,6 +21,9 @@ service shopping-cart {
 	//获取购物车列表
 	@handler GetCartsHandler
 	get /api/shopping-cart/get_carts(GetCartsReq) returns (response);
+	//计算购物车价格
+	@handler CalculateCartPriceHandler
+	post /api/shopping-cart/calculate_cart_price(CalculateCartPriceReq) returns (response);
 }
 
 //加入购物车
@@ -90,4 +93,21 @@ type DiyInformation {
 	Website string `json:"website"`
 	Qrcode  string `json:"qrcode"`
 	Slogan  string `json:"slogan"`
+}
+
+//计算购物车价格
+type CalculateCartPriceReq {
+	CalculateList []CalculateItem `json:"calculate_list"`
+}
+type CalculateItem {
+	CartId           int64 `json:"cart_id"`           //购物车id
+	PurchaseQuantity int64 `json:"purchase_quantity"` //数量
+}
+type CalculateCartPriceRsp {
+	CalculateResultList []CalculateResultItem `json:"calculate_result_list"`
+}
+type CalculateResultItem {
+	CartId     int64  `json:"cart_id"`     //购物车id
+	ItemPrice  string `json:"item_price"`  //单价
+	TotalPrice string `json:"total_price"` //总价
 }
\ No newline at end of file