The following aspects need to be noted after femoral head replacement surgery: 1, not to sit too short stool, when the femoral head replacement surgery is carried out, if you sit too low stool is easy to lead to hip dislocation. 2, when the femoral head replacement surgery must avoid cross-legged and cross-legged, these two positions will make the hip joint abduction and flexion of the hip, these two movements combined is particularly likely to lead to hip dislocation. The two positions will make the hip joint abducted and flexed, the combination of these two actions will be particularly likely to lead to hip dislocation, and in serious cases will also lead to sciatic nerve injury. 3, after the femoral head replacement surgery to try to control physical activities, especially running, jumping, climbing, climbing and other heavy physical activities, it is recommended that you can do swimming and other sports activities that are less burdensome on the joints.