There are many factors for numbness of the feet, mainly the following common causes. First, diabetes, if diabetes is not well controlled, blood sugar is relatively high, will easily cause peripheral peripheral neuropathy leading to ischemia, this situation will lead to numbness of the foot. Mainly the numbness of the end of the limb, need to actively control blood sugar on it, but also nutritional nerve therapy, methylcobalamin capsules. Second, there may also be a long time a posture resulting in local muscle spasm, soft tissue ischemia, nerve paralysis will also cause local numbness. For example, long-term leg stretches, easily lead to compression of the common peroneal nerve, or prolonged standing, easily lead to local blood circulation ischemia, so it can also cause numbness. To avoid local compression, appropriate hot compresses, gentle massage, avoid violence, nutritional nerve therapy. Third, lumbar disc herniation, in this case to the hospital to improve the lumbar disc CT, and lumbar MRI examination. In addition to numbness in the feet, there is also pain in the lower back and radiating pain in the lower limbs. Most of this condition can be effectively reduced by conservative treatment, such as paying attention to rest, avoiding cold, applying nerve-nourishing drugs, anti-inflammatory and analgesic drugs and mannitol to reduce swelling, and avoiding massage.