Abstract: There are rich of butterflies in the Da Liangzi River National Forest Park,while some of them are endangered as the environmental reasons.Through investigation of the distribution of endangered butterflies in four different ecological environments in the Da Liangzi River National Forest Park,survey collected a total of 38 endangered butterflies which were 7 families 22 genera and 22 species,and the order of diversity of four habitats was:meadow>shrub>forest margin>wetland.This study will provide a technical reference for the analysis of the diversity distribution of endangered butterflies in the original forest area and the protection of endangered butterflies.