Abstract: Based on a full-scale and systematic investigation and literature collection，there are 73 species (including varieties) of Aconitum in Tibet，accounting for 20.50% of this genus in China. The richness of Aconitum. ssp ranks third following Sichuan and Yunnan province in our nation. All species of this genus possess high ornamental value. Particularly，13 species of them have definitely medical functions which account for 17.81% of all the species of this genus in Tibetan. Besides，Aconitum. spp has extremely high endemism. 66 endemic species distribute nationwide including 40 species that only habitat in Tibet. The endemism proportions of Chinese and Tibet to the world reach 90.41% and 54.72% respectively. On the basis of the analysis of plant medical and ornamental value，measures like establishing germplasm，protecting habitat，reasonable development and cultivating new varieties should be taken immediately.