Bear gall, gallbladder of Xiong Ke black bear and brown bear. The history of taking medicine is recorded in "Bear Fat" in Tang Materia Medica. Ming's Compendium of Materia Medica is also discussed in detail. Black bear, also known as black bear, is commonly known as black blind man. The whole body is covered with black hair, with a body length of 1.5- 1.7 meters, and a half-moon white stripe on the chest. Have the habit of hibernating, can walk upright and live in the forest. Brown bear is also known as Yi, Man and Ma Xiong. It is bigger than a black bear, with a dark brown back and a slightly shallow head and abdomen, and its habits are similar to those of a black bear. Changbai Mountain in the east of Jilin Province is rich in black bears and brown bears, which is one of the main producing areas of bear bile in China. The medicinal industry calls Jilin bear gall "Dongdan". Dry bear bile is oblate, narrow at the top and swollen at the bottom. Generally 10-20cm long and 5-8cm in diameter. It is black or brownish green, shiny, thin, wrinkled and hard. After crushing, its section is fibrous. There is dry bile sweat in the capsule, which is in the form of block, granule or thick paste. Usually, it is best to be golden yellow, bright, bitter and sweet.

O (_ _) O is expected.