Abstract:In order to solve the problems of transmission delay, geographical wiring diagram data management data transaction, map updating fast, this paper realized spatial data of geographical spatial data and attribute data query, update, maintenance using distribution network geographical wiring diagram drawing system with C/S structure based on ArcGISEngine component technology, and introduced the structure of the system architecture, key technology and database, realized by ArcSDE spatial database technology, C/S the desktop application system was set up by ComGIS technology.