感冒后咳嗽常迁延难愈，对抗生素不敏感，按常规辨证也难奏效。笔者曾用小柴胡汤治疗此症，屡治屡验。《医学实在易》注小柴胡汤时谓：“胸中支饮咳源头，方外奇方莫漫求，更有小柴加减法，通调津液效优优”。而小柴胡汤所治之症中原有“或咳”一症，可见咳嗽有属少阳病者，感 After a cold, the cough is often delayed and is not sensitive to antibiotics. The author used Xiaochaihu Decoction to treat this disease. “Medical practice is easy,” said Xiao Chai Hu Tang, said: “The source of the chest to drink cough, Fang Wai Qi Mo beyond the request, there is a small firewood addition and subtraction, Tongjing fluid effect Youyou.” However, in the disease of Xiao Chaihu Tang, there is a “cough” syndrome, and it is obvious that there is a case of cough and Shaoyang disease.