桂枝汤为仲景群方之魁,向为后世医家所推崇。关于其究竟是发汗剂还是补益剂,历来众说纷纭。许多学者从病因、病机及方剂组成等方面进行论证,推断本方应是补益剂,笔者亦有同感。现仅从其方后注作如下浅述,不妥之处,敬请同道指正。一、从煎药方法看其功用中药煎法,对其功用有着直接的影响,《医学源流论》曰:“煎药之法,最宜深讲,药之效不效,全在乎此”。对于煎药火候,历来有“武火”、“文火”之分,一般来说,解表之剂,其味多辛散,久煎则药性容易挥发,宜武火煎之:补益之剂,其味厚而需久煎,宣文火煎之。对于桂 Guizhi Tang is Zhong Qunqun’s Fang Zhikui, which is respected by later generations of doctors. There are many opinions about whether it is a sweating agent or a tonic agent. Many scholars have demonstrated from the aspects of the cause, pathogenesis and composition of prescriptions, and concluded that this party should be a tonic agent. I also share the same feeling. The following is a brief description from the side of the party. If anything is wrong, please do the same. First, from the perspective of the method of decocting, its traditional Chinese medicine decoction has a direct impact on its function. According to the “Medicine Origin Theory”, “The method of decocting medicine is the most appropriate one, and the efficacy of the medicine is not effective. It is all about this”. For the decocted fire, there have always been “Wuhuo” and “shanghuo”. In general, the agent for deconstructing the table has a lot of pungent flavor. If the decoction is for a long time, the medicinal properties are easily volatilized. The Yiwu Decoction: the agent of replenishing qi and its taste Thick and long fried, Xuan Wen fried. For Gui