The physical nature of urbanization is the strongest land-use changes. The allocation of land resources, land use spatial pattern and the driving forces of land-use changes are closely related to urbanization. First, the urbanization policy, the intensive use of urban land and the optimal allocation technology of land resources allocation are reviewed. Then, three important issues which include the spatial pattern of urban and rural areas, three-dimensional pattern as well as the application of remote sensing technology referring to the spatial...