Pterocephalus hookeri (C.B.Ckarke) Hoeck is a common Tibetan medicine, its another name is Bang Zi Du Wu. It can clear away heat and detoxify, remove rheumatism, relieve pain, and be always used to cure the fever caused by external influences and rheumatism, so it is used extensively in compounded Tibetan medicine. 《Pharmacopoeia of the People's Republic of China》 1977 edition (I part) 《Tibetan drug standard of the People's Republic of China (one part)》 record Pterocephalus hookeri (C.B.Ckarke) H...