In this paper, the library websites of 25 agricultural universities are compared and analyzed in respects of homepage, content, and programming technique as well as their defects and problems, and the principle of target location of website construction in light of the principle and content of agricultural universities library website construction are puts forward. It is suggested for optimizing homepage design, enriching information resource, standardizing subject guide, raising service function, setting link reasonably, maintaining and updating opportunely, applying of modern technical means...