E-commerce, Electronic Commerce, EC for short. E-commerce usually is refers to is in global around widely of commercial trade activities in the, in Internet open of network environment Xia, based on browser/server application way, buyers and sellers does not met to for various business activities, implementation consumer of online shopping, and merchant Zhijian of online transactions and online electronic paid and various business activities, and transactions activities, and financial activities and related of integrated service activities of a new of commercial operations mode. E-business covers a very wide range, generally can be divided into the business to business or business to consumer both. There are also consumer to the consumer the forward growth model. With the increase in number of Internet use in China,