Taking Hunan province as the studying area, and through analyzing the location conditions of natural and regional economic, resources and ecological conditions, ecological functions and the basis of economic and social development and overlay, and using fuzzy comprehensive evaluation, correlation analysis and expert integration method of GIS, Hunan province was divided into 5 ecological function areas, 17 ecological function sub areas. In addi- tion, the figure of ecological function regionalization of Hunan province was drawn. These works will...