Fanjing Mountain Nature Reserve is located at the junction of Jiangkou, Yinjiang and Songtao counties in the Tongren region of Guizhou Province. Because of the topography and humid climate of the central subtropical monsoonal mountains, the plant species in this area are rich and diverse. The vascular plant resources and diversity of Fanjing Mountain Nature Reserve in Guizhou Province were studied through field survey, literature review and specimen identification. The results show that there are 284 species of vascular plants in the region, belonging to 205 genera in 93 families, mainly angiosperms. Liliaceae, Asteraceae, Polygonaceae, Leguminosae, Ranunculaceae and Polygonum have the most species, followed by Sedum, Dioscorea, Actinidia Lindl and Thalictrum. In terms of life types, perennial herbs are the most dominant, accounting for 68.47% of the total number of species, and annual (or biennial) herbs, shrubs and vine types also present. There are 222 species identified as medicinal vascular plants, accounting for 78.2% of the total number of species. The medicinal parts are primarily found in the whole herb category, followed by the root and rhizome category.
