Is a model of e-commerce, it is often said that retail sales, direct-to-consumer sales of products and services. This form of e-commerce generally retail network, mainly via the Internet to carry out online sales activities. B2C companies that provide consumers via the Internet a new shopping environment - online stores, consumers over the network in online shopping, online payment. Since this mode saves the customer time and space and businesses, greatly improving the efficiency of the transaction, especially for busy office workers, this model can save their valuable time.