Severe pain in the neck of the foot and the inability to walk may be caused by the following reasons: First, osteoarthritis, patients with osteoarthritis can have pain in the neck of the foot and walking disorder in severe cases, which should be diagnosed early by examination and X-ray of the ankle joint. Second, osteoarthrosis, osteoarthrosis can also appear serious pain in the ankle, can appear walking disorder, can be accompanied by deformity, this time to take early X-ray film, according to the patient’s growth environment to early diagnosis. Third, synovitis, when there is synovitis in the ankle and there is more fluid, there can also be severe pain in the ankle and limitation of ankle joint movement. Fourth, ankle impingement syndrome, when the ankle joint has bone growth in the front and back of the ankle joint, can appear the ankle joint impingement, and cause severe pain in the neck and can not walk.