柴胡桂枝汤是张仲景《伤寒论》中论治“伤寒六七日，发热微恶寒，支节烦疼，微呕，心下支结，外证未去者”的方剂。笔者在辩证的基础上，常用本方治疗多种发热病变，疗效甚好。亚外感发热患者，女，29岁，1992年3月4日初诊。因引产后起居不慎而发高热（体温39．7℃），身微恶寒 Chaihu Guizhi Tang is the prescription of Zhang Zhongjing’s “Treatise on Febrile Diseases”, which is based on the treatment of "Twenty-seven days of typhoid fever, slight fever, chills, painful support, slight vomiting, and heart knots. On the basis of dialectic, the author often used this prescription to treat a variety of febrile lesions with very good results. Subtropical fever patients, female, 29 years old, were newly diagnosed on March 4, 1992. Hyperthermia due to inadvertent living after induction of labor (body temperature 39.7°C), slight chills