The body is prone to fire (heat evidence) may be caused by the physical constitution and certain acquired factors, that is, yang biased constitution, coupled with poor diet, etc.. It can be treated by applying heat-clearing medicines and other remedies, such as Rhizoma Coptidis. 1. Causes: (1) Physical factors: in Chinese medicine, it is believed that different physiques are prone to feel different diseases and evils, and may have different symptoms. If the symptoms of fever are usually frequent, it is mostly considered to be a yang-oriented constitution. (2) Acquired factors: In addition to the congenital factors such as constitution, if you often eat spicy and stimulating food, such as chili peppers, peppercorns, etc., it is also easy to cause heat. 2. Regulation: For those who have dry mouth and tongue, thirst for cold drinks, insomnia, constipation, yellow urine, night sweating (abnormal sweating after going to sleep, and sweating stops after waking up) and other signs of heat, you can choose Huanglian Xieyue Tang and other medications to treat them. Specific medication should be consulted with a doctor.