Analysis of illness: Chinese medicine believes that cold and dampness include exogenous cold and dampness and endogenous cold and dampness. Exogenous cold and dampness: exogenous cold and dampness, obstruction of qi and blood circulation, with joint and bone pain as the common symptoms; Endogenous cold and dampness: cold and dampness are trapped inside and damage spleen yang, or spleen and kidney are yang-deficient and cold and dampness stop inside, with cold limbs, abdominal pain and diarrhea, or edema as common symptoms.

Guidance: After high temperature and extreme heat, the human body is prone to feel the invasion of external wet pathogens, resulting in general weakness, muddy tongue coating, spleen and stomach disharmony, loss of appetite, restlessness, heavy head and body fatigue, thirst and nausea, etc. Chinese medicine calls this "summer typhoid fever" or wet fever.