Macaca assamensis (Chinese name: Xiong Hou) is a kind of monkey belonging to primate cercopithecidae. The body size is similar to that of Macaca mulatta, with a body weight of 10-15kg and a body length of 500-700mm; The tail length is about 1 / 3 of the body length. It differs from macaques in that its face is relatively long and its eyebrow arch is high and prominent. Bear monkeys are endemic to Himalaya mountainous areas and Indochina areas. It mainly lives in monsoon evergreen broad-leaved forest, deciduous broad-leaved forest, coniferous and broad-leaved mixed forest or alpine dark coniferous forest. The habitat and habits of Macaca assamensis are similar to those of Macaca mulatta, but the habitat of Macaca assamensis is relatively high. In Southeast Tibet and Northwest Yunnan, the altitude of habitat is about 2500m, which is more cold resistant, and the distribution latitude is northerly. It mainly feeds on wild fruits, fresh branches and leaves of plants, as well as some insects, amphibians and small birds. Distributed in China, India, Nepal, Bhutan, northern Myanmar, northern Thailand, Laos and Vietnam. It is listed in cites class II protected animals of Washington Convention.