1. Maintain a healthy lifestyle: pay attention to a balanced diet, eat more fruits and vegetables, and reduce excessive intake of fat and calories. Keep proper exercise and good sleep.

2. Avoid smoking and drinking: Smoking and drinking will seriously affect human immunity and increase the risk of recurrence of CIN 1.

3. Regular follow-up: Regular cervical smear examination. For CIN 1 lesions, it is recommended to follow up every 6 months and pay close attention to the changes of the disease.