Lumbar disc herniation foot numbness do small needle knife is a certain effect, but it is easy to recur, must go to the regular hospital for treatment. Lumbar disc herniation with numbness of the feet is a manifestation of minor lumbar disc herniation. The treatment of lumbar disc herniation through small needle therapy mainly relieves adhesion, blockage and nerve root compression caused by lumbar disc herniation injury, and improves the symptom of numbness of the feet. Small needle knife therapy has the advantages of small trauma, high safety, fast effect, etc. It can improve blood circulation, eliminate inflammation caused by lesions in the spinal canal, effectively reduce the internal pressure of the lesion tissue, and play the role of protecting the spinal canal, which is effective in the treatment of lumbar disc herniation. But the lumbar disc herniation disease is more difficult to cure, small needle therapy treatment is difficult to cure, patients are prone to relapse.