Design and implementation of city fire control management system based on GIS

City fire control system based on GIS is designed and implemented in this paper. The system database consists of metadata database, basic database, thematic database of fire control and 3d database of important fire-control units. The functions of response alarm, map query and space analysis, navigation and positioning of fire engine are implemented in this system. Some key points in system building and using are also illustrated, such as system and data management, the linkage with other departments and acquisition of the latest route information.