Based on the technique of remote sensing,soil erosion at Hulunbeier league,the Inner Mongolia Autonomous Region was analysed by interpreting satellite image.Because of the historical destruction of forest and the rapid development of modern economy,soil erosion at Hulunbei rioccurs universally and very seriously.Soil erosion could result in land degradation, environmental deterioration,as well as territory loss on frontier a reas which should be taken very seriously.There are three types of soil erosion at Hulunbeier,water erosion,wind erosion and freezing-thaw erosion.Soil and water conservation should be done well by enhancing dissemination,executing the law,protecting the river banks on frontier areas,and regulating the structure of landuse,optimizing the disposition of resources,so as to promote the economic development of Hulunbeier.