2. Do not take drugs containing aspirin within two weeks before nasal alar plastic surgery, because aspirin will reduce platelet coagulation function;
3. Don't make up before nasal alar surgery;
4. Men should quit smoking one week in advance;
5. Patients with hypertension and diabetes should inform the doctor of their own condition in detail at the time of initial diagnosis, so that the attending doctor can confirm the nasal alar plastic surgery plan;
6. Do a routine physical examination before the alar surgery to make sure that you are healthy and have no infectious diseases or other body inflammation.