There is a difference in the etiology, symptoms, and treatment of Damp-Heat and Yin Deficiency-Fire Excess. Damp-heat is due to the feeling of external evils of dampness and heat, resulting in the accumulation of dampness and heat in the body, thus causing clinical symptoms related to different organs and meridians. Yin deficiency fire is mostly due to the heat disease after a long period of injury to the yin, yin deficiency and hyperactivity, so that the virtual fire and heat caused by the internal growth. Damp-heat manifests itself in dry mouth, bitter mouth, sticky mouth, abdominal distension, abdominal pain, nausea, vomiting, anorexia, short and red urine (small amount of urine, dark yellow color) and other symptoms. Yin deficiency and hyperthermia are mostly manifested as dry mouth, five heart-heat (heat in the heart of the hands and feet, and self-consciousness of the heart and chest), hot flashes, night sweating (sweating abnormally after going to sleep, and sweating stops after waking up), etc. If you have any of the above symptoms, it is recommended to take prompt action. If you have any of the above symptoms, it is recommended that you consult a doctor in time, and do not use medication privately, so as not to damage the organism and aggravate and delay the condition.