紫苑散由紫苑、款冬花各等量组成。本实验采用正交试验方法研究紫苑散及其单味药对离体豚鼠气管解痉作用,并观察加入丁香叶后对抗组织胺和乙酰胆碱强度。结果表明,紫苑和款冬花之间在解除气管痉挛方面未见交互作用。紫苑散中在平喘方面紫苑起主要作用,紫苑散加入少量丁香叶,无论是组织胺或乙酰胆碱致痉 Ziyuan scattered by the aster, the coltsfoot flowers equal composition. In this experiment, the effect of Ziyuan Powder and its single herb on tracheal spasm of isolated guinea pig trachea was studied by orthogonal test, and the strength of histamine and acetylcholine was observed after adding clove leaf. The results showed that there was no interaction between asters and Coltsfoot flowers in the release of tracheal fistula. Ziyuan Powder plays a major role in asthma in terms of asthma. Ziyuan Powder adds a small amount of clove leaves, whether due to histamine or acetylcholine.