Fire is a term used in Chinese medicine and belongs to the category of heat evidence. The imbalance of yin and yang in the human body and the exuberance of internal fire will lead to fire, the specific symptoms can be manifested as red eyes, crusty mouth, yellow urine, toothache, sore throat, etc., but the symptoms of fire in different internal organs are different, for example: 1, stomach fire: mainly manifested as constipation, bad breath, dry stools, yellow thick tongue coating, stomach discomfort, sizzling heat in the foot Yangming stomach meridian, elimination of grain and good hunger, etc. 2, liver fire: mainly manifested as headache, red face and eyes, dry mouth, sore throat, dizziness and brain swelling, tinnitus and deafness, pain in the ribs, yellow urine, constipation, etc. 3, heart fire: heart fire is divided into two kinds of deficiency and real fire, deficiency fire manifests as low fever, night sweating, heart annoyance, dry mouth, etc.; real fire manifests as repeated mouth ulcers, dry mouth, short red urine, irritable heart, etc. 4, lung fire: mainly manifested as dry cough without phlegm, blood in phlegm, sore throat, mute voice, hot flashes, night sweats, etc. These are the symptoms of fire, different internal organs treatment methods will vary, the treatment of “fire” is mainly to nourish Yin, heat, detoxification and diarrhea methods of treatment, but also can be used in Chinese medicine acupuncture, cupping, massage and other treatment methods, in addition, also need to pay attention to the combination of work and rest, less spicy fried and other hot food In addition, we should also pay attention to the combination of labor and rest, and reduce the consumption of hot foods such as spicy and fried foods.