These days, lots of people do their shopping in the comfort of their homes with the help of the Internet．Online shopping has become one of people's favorite ways of shopping．For consumers, online shopping offers not only convenience, broader selection and competitive pricing, but also easier access to goods information．For businesses, the Internet brings in more customers and offers a larger market．For the entire market-oriented economy, this new type of shopping method can allocate resources with greater efficiency on a broader scale in a more extensive dimension．