中草药分布较广，品种多，产量大，药源广，容易采集，处置简单，服用方便。对于那些病因病机简单的病症，可用单味药治疗，通过临床观察，找出治疗某些疾病疗效显著的单味药。有利于药理研究，有效成分的分析和质量控制。参考有关资料，对几种中草药单味应用进行了初步的临床 Chinese herbal medicine is widely distributed, with many varieties, large yields, wide sources of medicine, easy collection, simple disposal, and easy administration. For those with simple etiology and pathogenesis, single-taste medicines can be used for treatment. Through clinical observation, single-taste drugs that have significant therapeutic effects on certain diseases can be found. It is good for pharmacological research, analysis of effective ingredients and quality control. With reference to the relevant information, preliminary clinical application of several herbal single taste applications