Bizishujincao;Cyclosorus Dentati Rhizoma Sources:The drug is the rhizome of Cyclosorus dentatus(Forsk.)Lhing(family l helypteridaceae),growing in damp land in valley and stream side,distributed in Jiangxi,Fujian,Taiwan,Guizhou,Sichuan and Yunnan. Actions and Indications:It is used to relax the tendons and activate the collaterals,expel the cold evil,for the treatment of pain on muscles and bones due to wind-wetness evil,finger apathetic,wound,scrofula and abdominal mass.