There are many reasons for lower limb numbness, and the first thing to do is to find the exact cause before we can talk about treatment. It may be caused by cervical spondylosis, lumbar spondylosis and other reasons, you can take oral tianma pill, methylcobalamin and other drugs for treatment, with acupuncture treatment, the effect may be better. It is recommended to eat a light diet, avoid smoking and alcohol, avoid spicy and stimulating food, eat more vegetables and fruits and high fiber food, pay attention to warmth, avoid getting cold, avoid cold stimulation. In addition, the numbness of the lower limbs can also be caused by diabetes, peripheral neuritis need to control blood sugar, and at the same time apply some nutritive nerve drugs.