Fire toothache is a common clinical manifestation, usually due to fire caused by bacteria or viruses attacking the tooth or periodontal tissue, or the presence of disease in the mouth itself, fire induced or aggravated disease, such as chronic periodontal disease, acute pulpitis, acute periapical inflammation, etc., will appear fire toothache phenomenon, need to go to the Department of Dentistry for examination and treatment according to the cause of toothache. Common causes and treatments are as follows: 1. Chronic periodontal disease: plaque, tartar, etc. are attached to the periodontium or tooth surface, and when the human body is on fire, the plaque or soft scale may stimulate the gum tissue, appearing congestion, redness and swelling. It needs to be treated with some oral antibacterial drugs, such as amoxicillin and metronidazole, and the gums can also be cleaned. If an abscess appears, incision and drainage are also required; 2. Acute pulpitis: generally due to bacterial infection and other acute inflammation of the pulp tissue, it will show spontaneous, paroxysmal, intense pain symptoms, and pain is obvious at night and during hot and cold stimulation. Once the pulp is inflamed, go to the dentistry department for treatment in time, by draining the pulpal exudate and reducing the pulpal high pressure, in order to effectively relieve the pain symptoms, you can also take some oral painkillers such as ibuprofen, etc.; 3. Acute periapical inflammation: mostly caused by injury, infection and other chemical stimuli, mainly spontaneous, and mostly painful when biting is obvious. Treatment is mostly based on controlling acute inflammation, and can be treated with some antibiotics, such as amoxicillin, metronidazole, etc. Some painkillers can also be used, such as ibuprofen, diclofenac, etc. If the pain cannot be relieved, it is recommended to go to the stomatology department for treatment such as open pulp drainage, which can effectively relieve the symptoms of toothache; 4, wisdom tooth pericoronitis: belongs to the common diseases of stomatology, fire can easily cause the onset of acute wisdom tooth pericoronitis, there will generally be chewing, swallowing pain, and in severe cases, there will be swallowing difficulties, mouth opening restrictions and other symptoms. The treatment is mostly analgesic and anti-inflammatory, commonly used drugs such as metronidazole, clindamycin, etc. Local saline can also be used for flushing, which can also effectively relieve the pain phenomenon. After the inflammation is eliminated, the patient can have the wisdom tooth extracted to prevent recurrent pain. In case of toothache from fire, ice can also be contained in the mouth and placed on the painful area, or an ice pack wrapped in gauze can be applied to the swollen and painful part of the gums. Both methods require attention not to be too long at a time and require frequent changes of parts to avoid frostbite to the skin or mucous membranes. Patients with toothache caused by fire should also avoid foods that can easily lead to fire in their diet, such as hot fruits like lychee, orange, cinnamon, etc. They should also avoid the stimulation of spicy foods such as onion, ginger, garlic, etc. They can eat some bitter melon and other heat-clearing foods appropriately.