Abstract:Yunnan, the medicinal material Banxia recorded in The Pharmacopoeia of the People‘s Republie of China(1985 ed.)is called "Dizhu Banxia"(stem tuber of Pinellia ternata). Besides, "Shanzhu Banxia"(stem tuber of Arisaema yunnanense, A. bathyooleum, A. saxatile and A. prazeri)is also used medically as Banxia, while "Gouzhua Banxia"(stem tuber of Arisaema franchetianum, A. likiangense and Pinellia pedatisecta)is not.