Biting the tongue to form oral ulcers is called traumatic ulcers, usually choose local medication, such as compound boric acid solution, etc., while removing the irritating factors that lead to tongue bite. 1. Local medication: local application of ice borax and other drugs, or gargling compound borax solution, chlorhexidine solution, etc., the drug should be used under the guidance of a doctor. 2. Remove the irritating factors: including grinding and changing the sharp tip of the tooth and the edge of the pedicle, removing or modifying the bad restorations, correcting the bad habit of biting the tongue, etc., in order to prevent the recurrence of tongue traumatic ulcers. Biting the tongue to form mouth ulcers, it is recommended to consult the doctor in time, with the help of the doctor to clarify the cause of the disease, and targeted treatment or treatment.