This paper discussed the database building and refreshing of land use actualities based on MapGIS by a case study with the data on a scale of 1∶10000 in some area.

In recent years, architecture renewal of the historic conservation area has become a popular topic.

Based on the theory of the factors and mode of urban building renewal,urban renewal pattern,the intrinsic relationship and interaction between building renewal and urban renewal,and Chinese urban renewal characteristic have been studied.