Abstract: Intellectual Aquacultural Information System is a key project of the “863 Plan”. With the prevalent intranet techniques in the world and Client/Server/Server structure, 8 modules such as aquaculture, expert on net, information consulting, fishery environmental protection, market conditions, fishes for display, membership registration, and correlative Web, were integrated with the tools of FrontPage 98、Visual InterDev、Dhtml、MSDN、IESDK、Java、Visual C++、Visual Basic and Photoshop5.0. The function of expert decision and information services has been realized.