Shenzhen City “graphic in one” digital real estate system repair exploratory measurements using topographic maps and digital property mapping results, the use of centralized data management, the establishment of building spatial database, real estate and building 3D mapping database, the database,while creating Web-based building “integrated graphics” comprehensive real estate information inquiry system, to achieve “an attempt to control room” to achieve the ground-floor-room information integration management, trying to provide the public with the Real Estate Information powerful integrated query service, the public can be more convenient and intuitive understanding of the housing details.