To comprehend the variation of vegetation in Mu Us sandy land, the research use Mu Us sandy land as research area and make Uxin Qi(county) as a sample to anticipate the vegetation index variation on different land-use type. 365 images of Mod13 product are basic data which from 2000 to2015 and the spatial resolution is 250m. The data will be input in ArcGIS10.3 to analyzed and draw graphs of average NDVI in July and August of Mu Us sandy land and Uxin Qi. Moreover ,