This study takes forest land in Xinhua County as the research object, and 5 landscape pattern inde-xes and ecological sensitivity were selected to construct the ecological vulnerability assessment system. The 5 land-scape pattern indexes are the forest land patch density, average neighborhood index, connectivity index, degree of polymerization index and separation index. At the same time, using the principal component analysis of ArcGIS space , spatial analysis and Kriging interpolation method to discuss the ecological vulnerability of forest l...