2. Routine physical examination is required before operation, such as urine routine, blood routine and electrocardiogram.
3, whether the surgical site is clean, check whether there is inflammation in the nasal skin, such as skin allergy, folliculitis, acne, etc.
4. Female surgery avoids the three days before menstruation, and pregnant women cannot do this surgery.
5. Do not take drugs containing aspirin within two weeks before operation, because aspirin will reduce platelet coagulation function.
6. Patients with hypertension and diabetes should be operated after the disease is controlled.