The best time to exercise after hip replacement is based on the physical condition, generally the body allows, the first day after surgery can exercise. After hip replacement, you need to keep the hip joint in a neutral position of abduction and avoid excessive flexion of the hip joint. Generally, if your body allows, you can exercise in bed on the first day after surgery to carry out appropriate activities, such as leg lifting, moving the ankle to promote blood circulation in the limb, doing thigh muscle contraction and slight rotational activities. According to the general condition, if the body allows and the drainage tube has been removed, you can try to get down on the second day after surgery, but you need to use a walker, crutches or other people to hold the support, etc., mainly to practice the balance of the body. The best time to exercise after hip replacement should be judged by the doctor according to the specific situation after surgery, and follow the doctor’s advice to carry out appropriate exercises to avoid unnecessary injuries.