1, don't smoke and drink before operation, and don't take drugs containing aspirin.

2. Patients with hypertension and diabetes should inform the doctor of their condition when they are first diagnosed, so that the doctor can confirm the operation plan.

3. Make sure there is no infectious disease or other body inflammation before the operation.

4. Don't put on makeup before the operation.

5. Women should avoid menstrual period.

Matters needing attention after operation

1. Do not press the injection site, and avoid obvious facial movements for three to five days.

2, to control the diet within ten days, do not eat spicy and other irritating foods.

3. Take anti-inflammatory drugs for a week according to the doctor's advice.

4. Clean your lips with distilled water after meals and apply anti-scar agent and lip balm at least three times a day.

5. The injection site should not be exposed to raw water to avoid bacterial infection.

6. Don't pull it by hand after scabbing, let it fall off automatically.