A new method used to analyze spatial distribution of agriculture land use potential was proposed. Taking Hengyang basin as study area, it analyzed land use suitability first, then got land use information from RS data, finally, got spatial distribution of agriculture land use potential by comparing distribution of suitability with distribution realistic land use. The results showed that :(1) distribution of priority to the development showed clear banded-structure along valley of Xiangjiang river, and it had clearly lumpish feature, its dist...