小承气汤出自《伤寒论》,仲景先师为痞满证而设,临床运用颇广。病理机制总与实热蕴结,腑气不通相关。只要辨证贴切,常可收到事半功倍的效果,现举例如下。1　头痛失眠赖××,男,38岁,2000年6月10日就诊。半年前因家庭琐事醉酒后出现头痛失眠,心烦便秘。经多家医院诊断为“神经性 Xiao Cheng Qi Tang comes from “Treatise on Febrile Diseases.” Zhong Jingxian’s division is set up for the purpose of exposing the syndrome. It is widely used in clinical practice. The pathological mechanism is always related to the accumulation of heat, and irritability. As long as dialectical and appropriate, often can receive more effective results, examples are as follows. 1 Headache and Insomnia Lai ××, male, 38 years old, treated on June 10, 2000. Half a year ago, she developed headaches, insomnia, and constipation because of family drunkenness. Diagnosed as “nervous” by several hospitals