Study on the operating mode of SNS in EC environment of China

SNS, whose full name is the Social Networking Site, means the social networking services, specifically internet applications designed to help people build social networks. In this paper we started with the status and the competition of social networking sites in China; then made use of SWOT model and analyzed the condition of the market of SNS in China to find out the opportunities and threatens, pointed out the development trend of the social networking site:"No service, no business. E-commerce, video, search, SNS are four plates of the Internet, which can not exist independently. With the user groups and information created by social networking, the combination between the plates will not only provide abundant real content, but also can achieve mutual complementarities of resources and achieve lasting positive development. Key Words: Social Networking Site, Business Model, Operation Strategy, Electronic Commercial.