After hip replacement, it is necessary to pay attention to avoiding incision infection, preventing hip dislocation and functional rehabilitation. 1. Avoid incision infection: after hip replacement, we should pay attention to avoid incision infection. After hip replacement, patients should change the medicine on time and take good sterilization measures. If there is prosthesis infection, you may face a second operation. 2. Prevent hip dislocation: patients after hip replacement should pay attention to preventing hip dislocation, patients should not sit on a short stool in the early postoperative period, do not do cross legs or stilt legs and other excessive activities of the hip joint, and can not bend down to pick up things, weight bearing, etc., and try to lie down and rest, in order to prevent dislocation of the hip joint. 3. Functional Rehabilitation: After stabilizing the condition of the patients after hip replacement, they need to carry out the rehabilitation of sports function, and need to carry out the rehabilitation exercise step by step, such as improving the strength of the muscles around the joints of the patients to strengthen the stability, and restoring the range of motion of the hip joints, so as to prevent gait abnormality or dysfunction of limited joint activities in the later stage. It is suggested that patients after hip replacement should try not to do strenuous exercise within half a year, should pay attention to rest, have a light diet, eat more vegetables and fruits, and avoid smoking and drinking. If there is any abnormality, you should go to the hospital in time for examination and follow the doctor’s instructions.