Xishui is an ecological oasis, has 60 thousand hectares of primitive forest, where has 15 varieties of rare plants, such as taxol, Alsophila spinulosa, dovetree, Fujian cypress, etc, as well as 29 rare animals under the protection of the state, such as clouded leapord, Chrysolophus pictus, and etc. According to study, in this oasis are 1083 varieties of see bearing plants, 163 varieties of ferns, 154 varieties of mosses, 77 varieties of fungi, 72 varieties of animals, 142 varieties of birds, 34 varieties of reptiles, 31 varieties of amphibians, 57 varieties of fish, and 1375 varieties of insects.