Abstract: The digitization of historic buildings has become an important development direction of cultural relics protection and has placed an urgent need on the construction of management system for historic buildings protection. According to the actual needs of historic buildings protection management, combining with the 2D and 3D WebGIS technology, a management system are designed and implemented. This system consists of seven subsystems, including basic management, archive management, 3D management, deformation data management, cultural protection propaganda, statistical inquiry and system management. This management system could basically realize the display, release and management of historic buildings on the 2D and 3D geographic information platform, and provides data support for the protection decision.