Abstract: Grassland degradation in the world today are facing a very serious ecological problems.Monitoring of grassland degradation of vegetation coverage, as one of the important indicators, the grassland degradation and desertification control plays an important role.Using 2000-2010 MODIS MODl3Q1, NDVI data products, choose grass vegetation coverage as remote sensing monitoring index of grassland degradation, the aba and ganzi, sichuan province, liangzhou district for more than 10 years the situation of the grassland degradation were analyzed.Results show that in 2001, the grassland vegetation coverage of sliding average do "benchmarks", it is concluded that 2002-2010 in aba, liangzhou and ganzi state grassland degradation is about 698718.75 hm2.And the overall degradation area in the recent ten years is on the rise, grassland degradation situation has become increasingly serious.