Oral ulcer is a very common oral disease. Its main characteristic is that it recurs repeatedly, and obvious pain occurs.

If you have oral ulcers, you should exercise more regularly to enhance your body's resistance. You can also eat more vegetables and fruits rich in vitamins to supplement vitamins.

Pay more attention to rest and avoid over - tiredness, which can reduce the occurrence of oral ulcers.

Usually, pay more attention to keeping your oral hygiene. If you have oral ulcers, this can reduce the chance of infection and speed up the healing process.