Treatment based on syndrome differentiation contains two interrelated contents, namely, treatment based on syndrome differentiation. (1) Syndrome Differentiation: Under the guidance of the theory of traditional Chinese medicine, the information, symptoms and signs collected by the methods of looking, smelling, asking and cutting are compared, analyzed and synthesized, and the etiology, nature, location, development stage and the relationship between righteousness and evil are identified, and finally a certain type of syndrome or disease is summarized and judged. (2) Treatment: According to the results of syndrome differentiation, determine the corresponding treatment principles and methods. (3) TCM syndrome differentiation methods: eight cardinal principles, zang-fu organs, six meridians, Wei-qi-ying-blood, triple energizer, etc. Among them, eight categories of syndrome differentiation is the general outline of various syndromes.