Network of information technology, rapid development and wide application to bring people in a convenient, speedy way of life and enormous commercial interests, but also to protect the privacy of people have brought new challenges. Online practice violations, especially against the network of frequent incidents of privacy, the privacy legislation to protect network theory and practice to become a hot issue. Countries in the world today are aware of privacy on the network to carry out the urgency of the protection of the law, and at present no specific legal provisions of China's right to privacy. Only through the provisions of reputation to protect, the protection of privacy on the network and it is the legislative gap. Therefore examination of the relevance of the protection of foreign models, combined with China's national conditions, to introduce legislation to regulate the system-oriented, to be complemented by industry self-regulation, technology protection and government regulation, at the same time, foster civic awareness of the protection of personal privacy, privacy on the network in order to achieve effective protection. In this paper, by studying the United States and the European Union, represented by the two legislative models as well as China's in the network status of privacy legislation on the construction of legislation to protect the privacy of our network system made a number of countermeasures and suggestions. Network so as to promote China's legal protection of privacy mechanism, to fully protect the privacy of the purpose of the network.