Note for double hip replacement patients: 1, 6 weeks, 3 months, half a year, one year after surgery, and annual review of X-rays; 2, 2-3 weeks after surgery to support double crutches, point ground exercise; 3, 4 weeks after surgery to increase weight bearing according to their own situation, avoid side lying, after 1 week to support single crutch weight bearing, 8 weeks after surgery to abandon crutches walking, 12 weeks to exercise “socks”. 4.Continue to take oral antibiotics for 1 week after discharge; 5.Avoid excessive flexion and internal rotation and other undesirable movements, and avoid strenuous exercise.