Based on MODIS remote sensing images, the VFC index is used to retrieve the spatial and temporal evolution process of vegetation coverage in the Fen River Basin at 16 D step lengths from 2004 to 2013. Combined with 5 natural environment factors, temperature, precipitation, elevation, slope and slope aspect in the study area, qualitative evaluation and quantitative statistics were used to analyze the spatial pattern and temporal evolution of VFC, and to explore the temporal and spatial distribution relations...