The soles of the feet down numbness may have the following reasons: First, lumbar disc herniation, if the compression of the nerve can appear on the soles of the feet of the numbness of the symptoms, which is the lumbar 5 sacral 1 intervertebral disc herniation of the common manifestations. Second, lumbar spinal stenosis, radiculopathy or lumbar intervertebral disc compression of the nerve can also lead to symptoms of numbness on the soles of the feet. Third, cervical spondylosis, if the spinal cord cervical spondylosis, can lead to the soles of the feet down with numbness, accompanied by symptoms of weakness, severe cases will have diarrhea, this time to carry out nuclear magnetic examination to clarify the diagnosis. Fourth, peripheral neuritis, often involves bilateral ankle can also be unilateral onset, then there can be numbness of the feet, especially in the walking foot numbness symptoms are more serious, to the internal medicine department at the same time for related electromyography to clarify the diagnosis.