AbstractShanghai biodiversity information management system (http :/ / www. ibsfu. fudan. edu. cn) , a web database published on Internet , can be retrieved via a browser such as IE or Netscape. The databases available include two organism biodiversity background database : database of birds , database of Amphibia , Reptilia and Mammalia. Five specific biodiversity databases include : database of anti-pollution plants and pollution-indicator plants , database of ornamental plants , database of pests and harmful animals , database of wetland biodiversity. The design and realization of the system was introduced in the present paper. At last , the author put forward some viewpoints about the problems in the construction of biodiversity information system.