Research on Optimal Layout of Rural-Urban Construction Land Used in Binchuan Country Based on GIS

With more and more prominent contradiction between the requirement of rural-urban construction land and the limitation of land resource,the optimization of rural-urban construction used land were particularly important.This paper took BinChuan country as an study case,using GIS spatial analysis and AHP methods on Binchuan Country rural-urban construction land suitability evaluation,then analyzed the distribution optimization of rural-urban construction quantitatively,for a new round of land use planning in rural-urban construction land will be reasonable arrangement of space.And in sense,this study is very necessary and of significance for rural-urban construction land with reason and saving the used land.