Abstract: "Space, earth, man, and computer" in Chinese words that is "Tian, Di, Ren, Ji". This paper discusses how has integrated remote sensing system (RSS), global positioning system (GPS), data collected system (DCS), geographical information system (GIS), expert information system (EIS), management information system (MIS), decision-making information system (DIS), and virtual reality system (VRS) into one network system for information society. It is an open, complex, and great system.