Combined with the method of six channels and nine differentiation methods of febrile diseases, this paper discusses the inheritance of clinical classics of traditional Chinese medicine. It is considered that we can grasp the position of classical narration from a macro perspective, control the prescriptions provided by classics with basic laws, and supplement the shortcomings of classical content with the experience of later generations. Understanding the clinical classics of traditional Chinese medicine from the point of view of diagnosis and treatment of febrile diseases can facilitate the education and clinic of traditional Chinese medicine.