Sangulei;Neocinnamomi Delavayi Folium Sources:The drug is the dried or fresh leaf of Neocinnamomum delavayi(Lect) Liou(Family Lauraceae),growing in scrub,near forests or along ravine,and distributed in Yunnan and Tibet. Constituents:Stem,branch and leaf contain essential oils,such as cinnamic aldehyde,eugenol and terpineoL. Actions and Indications:Leaf is used as antirheumatic,the channels and collaterals activator,diaphoretic,analgesic and hemostatic,for the treatment of cold,stomach-ache caused by cold,pain caused by rheumatism,pain caused by traumatic iniurv,externallv for hemostatic.