1. Keep the dressing clean and dry to prevent shedding and pollution; Functional exercise, application of drugs to inhibit scar; Strengthen self-protection to prevent accidental injuries such as bumps, burns and frostbite; Need to stay in bed after operation 10 ~ 14 days; The diet should be light and eat more foods, fruits and vegetables rich in protein.

2. Avoid sunlight after operation to prevent color deposition from deepening; Quit smoking and drinking, and avoid spicy food.

3. If you feel unwell after surgery, go to the hospital for a follow-up visit in time; Check regularly after operation, at least twice a year.