How to treat ulcers caused by the tongue, you need to clarify the cause first, the symptomatic treatment. Mainly: First, for ulcers caused by fire, you need to stay away from factors that can easily cause fire, avoid cold, spicy, irritating food, to a light diet, and eat more fresh vegetables and fruits. You can apply vitamin B2 powder on the surface of the ulcer or go to the pharmacy to buy watermelon cream spray, ice borax treatment, adhere to 2-3 days effect is relatively good; second, if it is due to the tongue tie is too short, when talking by the teeth friction, thus leading to traumatic ulcers, you can use iodine-containing mouthwash gargle, to a certain extent to relieve pain; third, if it is frequent ulcers, it is recommended to actively go to the hospital Consult a doctor to clarify whether it is caused by the primary disease and treat the primary disease.