Abstract:Access control technology is necessary for information security and open Web service. Main access control technology considers the system as a whole and provides the technical platform to implement access control policy. In the view of information security and economic benefit, this article presents part access control technologies according to different demands of Web. Based on the platform of whole access control technology，according to the process of Web browsing，part access control of Web information resource can be realized through script Microsoft Active Server Pages(ASP) access and the pass parameters of Uniform Resource Locator(URL) expressing the attributes of location in database. It can resolve security problems of Web access at a low cost.