Through investigation,this paper expounds that Heng County of Guangxi fully utilizes its advantages in agriculture resources,vigorously develops agriculture industry group,and provides sufficient raw material for processing enterprises of agriculture product by strengthening and expanding industry bases of agriculture products.

Taking Dahua county of Guangxi as an example,obtaining land use data from 1988 to 2006 by user-computer interactive interpreting method based on remote sensing data,this paper analyzed the land use change and its driving force in karst reservoir area of Hongshui river.