Wearing braces has nothing to do with rhinoplasty, but control alcohol and tobacco before rhinoplasty 1 week to about 4 weeks after operation, and pay special attention not to catch a cold before operation; Routine physical examination before operation (routine electrocardiogram of blood and urine) is qualified; If the operation adopts general anesthesia, water should be fasted 8 hours before operation (local anesthesia is not needed).