Lumbar protrusion foot numbness consider lumbar disc herniation, has not been good, the consequences of the recurrence of symptoms, or the symptoms continue to worsen, and even the appearance of muscle strength loss. Lumbar protrusion foot numbness has been bad, may be the lumbar disc herniation is not systematic formal treatment, or after treatment again due to lumbar sprain, bending work caused by the emergence of symptoms. If the treatment is not timely, let it develop, lumbar injury, the consequences of lumbar pain and lower limb radiating pain symptoms worsening, mostly accompanied by lower limb numbness, weakness, and even cauda equina nerve damage to urinary and fecal dysfunction. The lumbar protrusion foot numbness has been bad advice to actively seek medical attention, physician guidance under the treatment.