半夏为天南星科半夏PineLiaternataBreit.干燥块茎。始载于《神农本草经》,性温,味辛,有毒。具有燥湿化痰、降逆止呕、消痞散结之功能。常用于湿痰、寒饮呕吐,梅核气及瘿瘤痰核、痈疽肿毒等症。现代药理研究发现其有镇咳、解毒的作用,对心血管系统也有作用。由于临床用量的增多 Pinellia tuber is a dry tuber for the Araceae Pinellia PineLiaternataBreit. It was first published in the “Shen Nong Ben Cao Jing”, which is warm, spicy and toxic. It has the functions of dampness, phlegm, vomiting, vomiting and dispelling. Commonly used for wet phlegm, cold vomiting, plum nucleus gas and tumor tumor nucleus, carbuncle swollen poison embolism. Modern pharmacological studies have found that it has antitussive and detoxifying effects, and it also has effects on the cardiovascular system. Due to increased clinical use