Causes of gums on fire include a spicy diet, inflammation of the gums, or tooth decay. Through timely adjustment of diet and good oral cleaning, treatment of oral diseases can effectively alleviate the symptoms of gums. 1. Dietary stimulation: If the daily diet of long-term exposure to spicy stimulating food, in the repeated chewing and oral digestion process, spicy food ingredients will be in direct contact with the surface of the gums, thus causing localized gum swelling and pain. Drink more water and eat more light fruits and vegetables, can effectively relieve. 2. Gingivitis: daily lack of timely oral cleaning will lead to a large accumulation of localized gingival plaque, thus causing inflammation of the gums. At the same time, misalignment of teeth, food residues may also cause gingival inflammation. Therefore, regular cleaning and timely brushing after meals can reduce the incidence of gum inflammation. 3. Dental caries: Dental caries refers to the chronic progressive destruction of the hard tissues of the teeth caused by bacterial infection and other factors, resulting in the formation of black spots or black holes. If caries is too severe it may irritate the nerve or gum tissue, which can lead to recurrent tooth pain or gum inflammation. After the gums are on fire, you need to adjust your diet as soon as possible and follow your doctor’s instructions to have your mouth cleaned and treated in the hospital as soon as possible.