Chinese character face plastic surgery usually takes 3-5 months to get results. Reminding postoperative care can shorten the recovery time. First, the mandibular angle plastic surgery must be hospitalized for 3-5 days. After the mandibular angle operation, the hood should be bandaged under pressure for 5-7 days. If there are no special circumstances, it should be bandaged in time. Pay attention to check whether the skin is crushed. If a drainage strip is placed in an oral wound, it should be taken out 48 hours after the operation. Any kind of supplements, drugs, etc. are prohibited. That may accelerate blood circulation, reduce coagulation mechanism and affect wound healing.