In the clinic, there are many kinds of diseases that can cause the patient to have the phenomenon that the legs will not walk, for example, the patient suffers from spinal cord cervical spondylosis, there is a serious lumbar disc herniation, lumbar stenosis, or there is lumbar spine instability, which will lead to the nerve of the legs to be pressed and stimulated, and there is the difficulty of walking on the legs, there is the increase of tension, the muscle strength is weakened, and the skin sensation is numb, and there will be the abnormality of the diaphragm stool, and the patient has the Functional disorders. In the middle and late stages of necrosis of the femoral head, the pain stimulation will limit the activities of the patient’s hip and leg, which will also affect the patient’s normal walking. Therefore, after the patient appears this situation, need to consult the doctor in time, after the doctor to make a clear diagnosis and give the correct treatment, can relieve this phenomenon.