The landscape pattern of National Chebaling Nature Reserve was analyzed based on GIS by utilizing vegetation map. Results showed that forest type are the main component of vegetation in this region. The degrees of fragmentation of mid subtropical mountain evergreen broadleaf forest and mid subtropical hill and low mountain evergreen broadleaf forest were smaller. Pinus massoniana stand had the main impact on the formation of landscape pattern. The Shannon index of landscape diversity of type number was the biggest and of type area was the smallest.