1, the hip joint severed is the whole thigh all amputated, postoperative should pay attention to strengthen the whole body exercise, weight control, elastic bandage wrapping the residual side of the hip. 2, the traditional hip severed prosthesis for the leather acceptance cavity, walking rely on the residual side of the sciatic bone weight bearing; with hip hinge, knee hinge, hip hinge with lock, walking hip hinge is locked, the knee joint can be moved. This kind of prosthesis is cheaper, but heavier. 3, modern mostly Canadian hip disconnected prosthesis, accept the cavity for enhanced plastic made, hip, knee joint without lock, the use of hip joint axis forward, knee joint backward and hip back extension booster device, can maintain hip, knee support stability. This prosthesis can walk with hip flexion, knee flexion action, walking posture is better. After the use of exercise, with this prosthesis can not only walk, up and down the stairs, but also ride a bicycle.