There is no such thing as internal heat and external cold, internal cold and external heat is a type of evidence in traditional Chinese medicine, which should be treated by relieving the surface and dispersing the cold (removing the cold from the surface of the muscle) and clearing the internal heat. Internal heat and external cold, that is, surface heat and internal cold evidence, is the surface of the heat and cold mixed (the same patient at the same time appear cold and heat evidence) performance. The main reason for this is that the patient has internal heat, but also feels the wind and cold; or the external evil attack, after a long time, into the heat. It is common to see coldness, fever, no sweating, headache, etc.; irritability, thirst, yellow urine, dry stools, etc., and heat. Treatment of surface heat and internal cold common formula: Da Qing Long Tang, after taking the medicine sweat that is discontinued, can not be overused, weak pulse sweating should not be used; nine Qiang Wu Tang, this drug wind-heat surface evidence, yin deficiency, internal heat should not be used; ephedra almond licorice gypsum soup, this drug wind-cold asthma, kidney deficiency, long time asthma should not be used. If symptoms of internal heat and external cold occur, please consult a doctor as soon as possible and take medication according to the doctor’s instructions.