Heavy internal heat may be caused by dietary factors, living habits and pathologic factors. 1. Dietary factors: eating hot food for a long time, eating spicy, greasy and stimulating food, too little vegetable intake, uncontrolled diet, if the spleen and stomach have poor transportation function, the body is prone to internal heat. 2. Lifestyle habits: work or life stress, lack of sleep, excessive fatigue, as well as living in a hot and stuffy environment, will upset the body balance, thus causing internal heat. 3. Pathological factors: Infection of febrile diseases will over consume the body’s liquid substances, if not timely replenishment, easy to lead to internal heat. In addition, part of the population’s body heat, there will be relatively too much heat production. If the patient appears uncomfortable symptoms, should promptly seek medical attention.