With the development of the network, it's a tendency that the interpersonal communication, the employment, the business dealings and the recreational activities will all be carried out in the network. Under such circumstances, individual private domain in the modern society is invisibly, non-voluntarily extruded and shrunk. Individual privacy has met with the unprecedented threat and challenge. The protection of the privacy right in the network has become a hot topic in the right of privacy law system. Since a correct definition of the concept of the network privacy right has a direct affect on the protection extent, the recognition of the abuse of authority, etc., it has a vital significance to the legislation and judicial practice. This article is going to have a preliminary discussion on the concept and the characteristics of the privacy, the right of privacy, the network right of privacy.