Abstract: The author believes that the reason why in Treatise on Cold - induced Febrile Diseases the treatment of cholera was not included in the diseases of the six meridians is for syndrome classification. Cholera described in Treatise on Cold - induced Febrile Diseases belongs to damp cholera that is deficient and cold in nature, with exterior syndromes at the onset. "Heat" used in the book refers to the symptom of fever, not the nature of the disease. The author also makes some comment on the treatment of other diseases.