If the patient is in the early stages of osteonecrosis of the femoral head and the symptoms are not obvious, he can drive at this time. If the symptoms are more serious, the patient should not drive at this time. Note that the diagnosis of necrosis of the femoral head needs to be treated in time to slow down the progress of the disease. Patients with necrosis of the femoral head in the early stages of pain symptoms are usually not obvious, at this time you can drive, but be careful not to drive for a long time, so as not to aggravate the symptoms of necrosis of the head of the femur in a prolonged sitting position. If the patient has joint space changes and femoral head collapse, and the symptoms are more serious, then driving the body will directly oppress the hip joint, so that the surrounding blood does not circulate, resulting in further aggravation of necrosis of the femoral head. Patients with femoral head necrosis should try to reduce the heavy physical activities in daily life, avoid overwork, and in serious cases, they can supplement with crutches for walking. Patients should actively cooperate with the doctor for treatment and go to the hospital regularly for follow-up.