Cold-heat exchange (the body will be hot and cold at the same time) is a type of Chinese medicine, the symptoms of which are alternating fever and cold (fear of cold), followed by yawning, fatigue, chills, and then headache, red face, thirst and dry throat, and so on. Cold-heat exchanges are usually due to the weakening of qi and blood, the evil into the Shaoyang, the disease is in the half-expression, half-lii stage caused by typhoid fever Shaoyang (typhoid fever theory of the six meridians of a disease, the disease position in the surface of the inner) disease. Specific manifestations of alternating fever and cold, a moment of fear of heat, a moment of fear of cold, with yawning, fatigue, chills, to be relieved by the cold and then headache, red face, thirst and dry throat and other symptoms. The symptoms of heat and cold can be treated with Xiao Chaihu Tang under the guidance of a traditional Chinese medicine practitioner, and it is not recommended to take the medication on your own to avoid adverse reactions. In addition to following the doctor’s instructions to use medication, cold and heat in addition to daily life, but also pay attention to a light diet, drink more warm water, as little as possible or do not eat spicy and stimulating food.