diff --git a/app/helpers/carts_helper.rb b/app/helpers/carts_helper.rb
index d99c380cb5..e307f24fa7 100644
--- a/app/helpers/carts_helper.rb
+++ b/app/helpers/carts_helper.rb
@@ -1,2 +1,5 @@
 module CartsHelper
+  def render_cart_total_price(cart)
+    cart.total_price
+  end
 end
diff --git a/app/models/cart.rb b/app/models/cart.rb
index f407cd116c..967ecc0317 100644
--- a/app/models/cart.rb
+++ b/app/models/cart.rb
@@ -9,4 +9,14 @@ def add_product_to_cart(product)
     ci.quantity = 1
     ci.save
   end
+
+  def total_price
+    sum = 0
+    cart_items.each do |cart_item|
+      if cart_item.product.price.present?
+        sum  = cart_item.quantity * cart_item.product.price
+      end
+    end
+    sum
+  end
 end
diff --git a/app/views/carts/index.html.erb b/app/views/carts/index.html.erb
index fd7b287eaf..45ea6b35be 100644
--- a/app/views/carts/index.html.erb
+++ b/app/views/carts/index.html.erb
@@ -43,7 +43,7 @@
 
     <div class="total clearfix">
       <span class="pull-right">
-         <span> 總計 xxx RMB  </span>
+        總計 <%= render_cart_total_price(current_cart) %> RMB
       </span>
     </div>