Cities always carry the wealth of human beings during the dynamic development. Containing the material elements and the spiritual ones, cities provide human beings with a good and comfortable living environment, a convenient and accessible transportation network, sufficient job opportunities, diversified and rich recreational activities to the greatest extent. In addition, Urban space always records the history of human society, contain the concentrated memory of the times, and describe the unique humanistic color. Urban land resources are precious, with the vacancy of urban development, the change of urban functions, the omission of urban space management, the complexity of land ownership and other issues, China's urbanization process has gradually shifted from incremental development to stock development.