Desertification and land degradation is one of the serious environmental problems facing the world today,which poses a serious threat to ecosystem stability,agricultural production and social sustainable development.Tibet Autonomous Region is located on the plateau of China,with magnificent natural landscape and rich ecological resources,but it is also faced with the serious problems of desertification and land desertification,among which Chanang County is one of the most seriously affected areas.Located in Shannan City,Chanang County has an arid climate with land desertification,which has been seriously affecting the sustainable development of agriculture and the conservation of ecological environment of the local place.The purpose of this study is to explore the research and application of sandy land ecological control and seed pelleting technique in Chanang County,Shannan City,in order to find effective ecological restoration methods,restore land ecological balance and reduce the impact of desertification.