Through discussion on studying conclusion of ecological agriculture and developing character of eco-economy system under the practice of converting slop cropland to woodland or grassland in Wuqi County.The authors point out that the newly developing model of ecological agriculture of four developing chains and webs should be constructed according to its regional character.So that industry structure is reformed and optimized including construction of reforming farmland environments.In addition,some measures on restoration and rebuilding the agriculture ecological environment are suggested.