The cadastral administration is centered around cadastral maps. It is increasing that demand of the public for effective administration and higher quality of service through the development of application program of cadastral maps maintenance. Geo-Spatial Information System which is based on the graphic database of Yuseong-ku, Daejon City and the attribute database about cadastral information has been developed for effective maintenance and use in the part of map editing, public land price management and multi-parcel based work. In this pi-lot study, pointing out difficulties of database implementation and many experiences in the development of application program will be used effectively for further expansion of the automation of the cadastral administration.