中药复方是直接从临床经验中总结出来并经多年的临床验证不断完善的,所以具有疗效稳定,副作用小及质量可靠等特点。笔者从药理学角度对麦门冬汤等中药复方的镇咳祛痰作用及其作用机理进行了探讨,并将其作用特点与同类作用的西药进行了相应的比较,以求能客观地评价此类中药复方 Traditional Chinese medicine compound is directly summed up from clinical experience and has been continuously improved after many years of clinical verification, so it has the characteristics of stable curative effect, small side effects and reliable quality. From the pharmacological point of view, the author discussed the antitussive and expectorant effects of Maimendongtang and other traditional Chinese medicine complexes and the mechanism of action, and compared their effects with Western medicines of the same type in order to evaluate this objectively. Traditional Chinese medicine compound