Numbness of the feet and legs may be due to physiological reasons, but also may be related to some pathological reasons, such as lumbar disc herniation, neuritis, peripheral neuropathy caused by diabetes, and so on. Numbness of the feet and legs, first of all, to exclude whether there is a physiological cause, such as a long time to fix a posture, sedentary, squatting, etc., will cause compression of the lower limbs, so that its blood circulation is not good, there can be physiological numbness of the feet and legs phenomenon. Through appropriate activities, the symptoms can be relieved in time. Pathological causes of numbness of the legs and feet symptoms, can be seen in the lumbar intervertebral disc herniation, can be due to the compression of the sciatic nerve and the lower lumbar region radiating to the posterior buttocks, as well as the back of the thighs, calves, and the back of the foot and other places have pain and numbness performance. Neuritis can also present with these symptoms, such as peroneal neuritis, which can present with foot drop and sensory disturbances in the lateral calf and foot. In the early stage of polyneuritis, patients often have sensory abnormalities, such as pins and needles, ants and ants, and sock sensations. There are also diabetes can be due to unfavorable control of the disease, with its development of “diabetic foot”, due to the lesions caused by peripheral nerve damage, which can also appear limb numbness and many other symptoms. In addition, the cause of numbness of the legs and feet of the pathologic causes are more, it is recommended to exclude the physiological causes, must go to the hospital in a timely manner, in order to clarify the cause of the disease, and get the correct treatment in a timely manner.