1. Find the cause and remove the possible causes. Avoid external stimuli and correct bad habits.

2. local treatment. In mild cases, honey, glycerin, vaseline, silver nitrate ointment or zinc oxide ointment can be applied externally. Glucocorticoid cream for external use in severe cases.

3. Shallow X-ray irradiation with He-Ne laser.

4. It is considered that surgical resection can be used for patients with epithelioid hyperplasia.

5. Take vitamin B and vitamin C orally.