Abstract:Traditional cadastral is managed by regarding twodimensional parcel as the basic unit. It can not really reflect the need of land use rights management between ground and the underground space. In order to comprehensively enhance the level of land and resources management, and actively explore the new model of the ground and underground, large scenes of threedimensional space information application, improve the technical level of 3D GIS and application capacity, construct threedimensional cadastral map, and realize effective management of land use rights. In this paper, setting threedimensional cadastral model in Kenli district as an example, combining with the demand of cadastral management, based on twodimensional parcel, combining with the digital surface model (DSM), threedimensional cadastral database has been formed, threedimensional cadastral map system has been developed, and a new leap has been realized in cadastral management.