Eating too spicy, toothache mouth ulcers may need fillings, root canal treatment, the use of drugs to promote healing, anti-allergy drugs or avoiding mouth, etc. It is recommended to go to the dentist for timely examination and treatment. Toothache may be caused by caries or pulpitis, etc., usually need to repair the cavity or do root canal treatment. Eating spicy caused mouth ulcers, may also be caused by allergies, need to stay away from stimulating food, the use of anti-allergy drugs, commonly used drugs such as loratadine, paracetamol. For the surface of the ulcer can be used to promote the healing of drugs, commonly used dexamethasone drug film. Usually pay attention to maintain oral hygiene, and regular review. Drugs should be used under the guidance of a physician.