In Chinese medicine, “on fire” is a rather vague concept, usually refers to a series of heat evidence manifestations in the human body, including swollen and sore gums, sores on the tongue, dry stools, etc. Yang Qi is the material basis of on fire, Yang Qi stagnation is the core pathogenic mechanism leading to on fire, treatment mostly focuses on clearing the fire: 1, adjust lifestyle habits: dietary disorders are an important factor causing on fire. The important factor is to adjust the dietary structure. Diet should be mainly light, eat more vegetables and fruits, drink more water. Emotional instability, frequent staying up late, etc. also easy to cause fire, so keep a relaxed mood, regular rest and rest, in order to essentially eliminate the factors leading to fire; 2, drug treatment: cold drugs are preferred, such as Huanglian, Scutellaria, Gardenia, Shengdihuang, bamboo leaves, etc., through the combination of prescriptions, can clear the fire heat. You can also use hair dispersing drugs such as asclepias, cicadas, windbreak and ephedra, as well as traditional Chinese medicines such as Niuhuang Qinggongwan and Toothache and Clear Fire Oral Liquid, all of which can relieve the swollen and painful gums caused by fire. In addition, fire gum swelling and pain may also be caused by oral diseases, such as periapical periodontitis, periodontitis, etc. It is recommended to go to the hospital in a timely manner, after a clear diagnosis can be applied anti-inflammatory drugs, and remove the causative factors, through scaling, root canal treatment, etc. to improve the symptoms. It is also necessary to pay attention to maintain oral hygiene, regular brushing and rinsing after meals.