1四逆散的作用机理四逆散出自《伤寒论》,由柴胡、枳实、白芍、炙甘草组成,主治少阴病四逆症,或咳,或悸,或小便不利,或腹中痛,或泄痢下重。由于主治繁多,故历来对其方义解释多种多样。如本科教材《方剂学》说:“炙甘草甘温益气以健脾,柴胡透邪升阳以舒郁,枳实下气破结,芍药益阴 1 The mechanism of action of Sinisan is scattered from the “Treatise on Febrile Diseases” and consists of Bupleurum chinense, Citrus aurantium, Bletilla striata, and Zhigancao. It is used to treat Shao Yin’s disease, cough, or phlegm, or urination, or abdominal discomfort. In pain, or under heavy pressure. Due to the many instigations, it has historically been interpreted in various ways. Such as undergraduate textbook “Fundamental Science,” said: "Glycyrrhiza licorice warm Wen Qi to strengthen the spleen, Bupleurum through evil spirits to the sun to Shu Yu, sturdy under the air broken knot, peony and Yin