Discharge guidance and rehabilitation exercises after hip arthroplasty: 1. Change the wound every 3-4 days after discharge until the stitches are removed in 12-14 days, and return to the hospital for follow-up if there is obvious local redness, swelling and exudate. 2.Continue to perform orderly functional exercises of bilateral hip muscle strength and mobility during bed rest to prevent long-term bed rest complications. 3, after surgery, you should gradually leave the bed and move around, holding the double crutches for 8-12 weeks, and then change to single crutches or canes for 6 weeks. 4.Review regularly, in the first year, take a film every three months, then every six months, and follow up if necessary. 5.Attention should be paid to avoid positions where the hip joint is easily dislocated in daily life, and keep the affected limb in an external or neutral position. 8-12 weeks, the hip should be flexed less than 90°. 12 weeks, avoid lying on the lower side of the operated limb, and hold a pillow between the lower two legs on the healthy side when lying on the side. Cultivate the correct way to wear shoes, cultivate the correct posture away from the bed, the toilet bucket should not be too low, do not cross your legs, bend the waist should be less than 90°. When going up and down the stairs, pay attention to “good up and bad down”, that is, when going up the stairs, the healthy side goes up first, and when going down the stairs, the art side goes down first. 6.Avoid heavy physical activities and projects that require a wide range of hip joint activities such as running and dancing; avoid walking on uneven and smooth surfaces; avoid trauma to reduce post-operative joint dislocation, subluxation, fracture and prosthesis loosening. 7.Avoid sexual life within 8-12 weeks after surgery, and prevent excessive hip abduction and hip flexion during sexual life. 8. Pay attention to the prevention and timely control of infection. Tooth extraction, tonsil removal and other treatment measures that may cause infection or infection foci in other parts of the body should be prevented in a timely manner to prevent the spread of bacteria through the bloodstream and cause joint infection. 9, abnormal phenomenon: If the joint continues to swell, pain, skin redness, heat, incision oozing, should be highly alert to infection, the incidence of infection is low, but its consequences are catastrophic. If your artificial joint has been in use for a number of years and you have recently experienced joint pain with activity, the joint may be loose or worn out. If the joint pain and inability to move occurs after a fall or joint sprain, it may be a joint dislocation or fracture around the prosthesis. 10. If there is any abnormality in the hip joint after surgery, you should contact your doctor in time.