The internet community in China is the world's fastest growing.In 2010,there were about four hundred and twenty million netizens in China,and the number is growing rapidly.The growing popularity of Internet has brought great social changes .Chinese netizens are often different from American.American netizens are more driven by the actual needs,they use the Internet as a tool to send an e-mail, buy and sell goods, plan trips or payment.The reason that Chinese netizens use the Internet is more for social contact,thus they more widely use QQ, chat rooms and so on