Preoperative preparation for nasal reconstruction: avoid menstrual period, be healthy and be able to withstand surgery. Matters needing attention after nasal reconstruction: 48 hours after operation, cooperate with physical therapy; Adhere to the use of antibiotics and hemostatic drugs for 3-5 days; The stitches were removed 8- 14 days after operation. Pay attention to the blood supply of skin flap and skin tube.