1. Patients with hypertension and diabetes should inform the nasal alar plastic surgeon of their condition at the initial diagnosis, so that the doctor can confirm the nasal alar plastic surgery plan;

2. Don't make up before rhinoplasty;

3. Male nasal alar plastic surgery recipients should quit smoking one week in advance;

4. Within two weeks before alar plastic surgery, patients undergoing alar plastic surgery should not take aspirin-containing drugs. Plastic surgeons explained that aspirin can reduce the function of platelet coagulation;

5. Before rhinoplasty, make sure that the patient is healthy and has no infectious diseases or other body inflammation;

6. Female patients with alar plastic surgery should avoid menstrual period.