The web directory is aim to edit and audit the websites which are submitted by the webmasters, and classified all the websites to the desired directory as the sort of webs. However, the web directory not only captures the pages on websites, but also mark down the URL，tittle, instructions and so on. Moreover, the web directory is called site stand, guidance sites and so on. It is one of popular used methods which submit or login web directory in the early time to Promote Websites. Before the search engine appears, most of the users looking for the websites by through the web directories, such as Yahoo, DMOZ and so on. As the development of the search engine with mostly accepted，and the importance of the web directory is diminished by the search engine in some aspects. As we know, people seldom search for the desired websites by the web directory in the field of English webs. Nowadays, only a few web directory can bring a little direct traffic by click, such as Yahoo, DMOZ, Business.com.