In recent years, web usage mining has become a new hotspot in the field of data mining. From the web logs which record information of a large number of network user's behavior, web usage mining discovers the characteristics and potential user access law. This paper uses many real running dates of college homepage. Aiming at running log files, we carry out a comprehensive analysis by using the web mining. Analyzing the interest measure of user to the information content. By using the user access to the page, the system can calculate the user data level of interest on each page, and thereby improving the content and layout of the site.