Return problems is also a shortcoming of E-commerce. E-business usually does not have the real stores; the customer only can get product information through webpage. It probably has some differences in color and shape. So when customer gets the real product in hand maybe not satisfied. And through Amazon‟s policy, the customers have to pay it and sign it before open it, and if the customers don‟t satisfied product, the return process must through online application or call the customer service