Abstract: In the background of increasing urban diseases such as the shortage of land resources,it is the key research direction of land resource management that increasing the efficiency of intensive land use.In order to support the intensive use of urban land space resources,the authors developed the urban land space evaluation and early warning control system based on the C#.NET and ArcGIS Engine.This system has realized the functions of land space evaluation,early warning and policy simulation to assist the land resource management.This paper concentrates on the overall needs,structure and the design ideas of this system to provide a reference for land resource management research and related software development.

Key words: land space evaluation, land space early warning, land sapce control, ArcGIS Engine