Abstract:In order to solve these problems, such as incomplete data acquisition, difficulties in editting graphic, difficulties in maintaining equipment and not real-time updating database, the function of editing, reviewing and updating database have been transferred to server. On the basis of system structure, database and function design, by using component GIS, spatial data topology analysis, system integration and geographic modeling technology, updating system of concentrated land use database has been established. It has realized the data acquisition outside and updating database inside of concentrated land use, and the connection with the terminal system of concentrated land use. It will provide real-time and accurate data sources for the evaluation system of concentrated land use.