For many years, the planning information center engages in the planning and ancillary assistant design work for city geographic information system, remote sensing, its results in research has won in many times the awards at state level and municipal level science and technology research projects, and accumulate a great amount of work experience and techniques. Its business work mainly include the research on basic theory of city planning information system; the construction and implementation of city planning information system, and research the city problem by use of the technique of satellite and aviation remote sensing technique; research on the important topics in city planning by use of new technology; the research of imitation simulation technique of 3D city; establish and maintain the convenient and flexible computer network system with high efficiency and safety; photograph video- recording and fabrication of multi-media system; the in-out work of computer image and figures.