Walking without strength and leg weakness is likely to be a disease caused by lumbar disc herniation and lumbar spinal stenosis, which will require an MRI examination of the lumbar spine. If it is confirmed that there is a lumbar disc herniation and spinal stenosis, it can be seen from the imaging that the protruding nucleus pulposus compresses the nerves caused by the spinal stenosis. If the patient is under 50 years old, lumbar traction therapy can be performed appropriately, and at the same time, oral lumbar pain Ning or methylcobalamin can be used for nutritional nerve therapy. If the conservative treatment is not appropriate or the original symptoms worsened, you can use surgical treatment, the general surgery is to remove the protruding nucleus pulposus, decompression of the spinal canal, such surgery needs to be hospitalized, two weeks after the operation to remove the stitches, you can avoid lumbar disc herniation, spinal stenosis recurrence.