Supported with,it commenced with the two sides of eco-environmental restriction and economy-development support.Indexes such GIS as mountain area proportion,water net density,wetland area proportion,the length of main stream,the quantity of major resources,traffic accessibility,undereducated degree,and GDP were selected as subdivision factors.Four types of development function regionalization were then created using the quadrant method.Furthermore,Wuwei County territory was taken as an example with 23 towns in the territory being regarded as basic evaluation units.By adopting the assimilated clustering and mutex-similar matrix classification with economy-development support and eco-environmental restriction,the territory was subdivided into preferential development area,feasible development area,moderate conservation area,and exploitation prohibited area.Finally,some policies and advices were put forward for development function regionalization.