1.After discharge from the hospital, change the medication every 2-3 days from the day of surgery, and remove the stitches 2 weeks after surgery, it is best to come to our inpatient department to see us, mainly to see how the wound is healing and whether the stitches can be removed. 2. Strictly follow the rehabilitation plan given at the time of hospitalization, especially when you can bend your leg and when you can put weight on the affected limb. 3.It is best to apply ice for about 20 minutes after each rehabilitation exercise. 4, 1 month, 2 months, 3 months after surgery, it is best to personally to the hospital for review, further guidance rehabilitation treatment.