Preventing the recurrence of keratocysts can be done by paying attention to diet, maintaining sufficient sleep and oral cleaning. 1. Pay attention to diet: usually do not eat stimulating food, especially spicy and greasy food, to reduce the stimulation of the oral cavity, it is recommended to eat more fresh vegetables and fruits, avoid eating spoiled food, can effectively prevent the possibility of recurrence. 2. Maintain sufficient sleep: it is recommended to pay attention to adequate rest, do not stay up late, to prevent excessive fatigue, the process of sleep can also be a certain rest and recovery of the human spirit, so that the human spirit and physiology are in a good state, is conducive to strengthening immunity. Can play a role in preventing recurrence. 3. Oral hygiene: pay attention to oral hygiene, morning and evening brushing, regular dental scaling, after meals, you can use light salt water to rinse the mouth, keep a good oral hygiene, can reduce the recurrence of the phenomenon. If there is a recurrence of the phenomenon, it is recommended to go to the hospital to check with the treatment.