Lumbar pain caused by lower limb pain is commonly caused by the following reasons: first, lumbar spinal stenosis, is due to the lumbar spinal canal, the nerve root canal and the intervertebral foramen stenosis and deformation, so that the volume of the spinal canal becomes smaller, resulting in nerve root or cauda equina pressure, the cause of the disease, including congenital lumbar spinal stenosis, such as congenital spinal canal developmental insufficiency, acquired lumbar spinal stenosis, such as lumbar vertebral spondylolisthesis and fracture subluxation, the clinical manifestations of the lumbar pain and pain in the legs and feet, the first to appear Lumbar pain, gradually radiating to the buttocks and lower limbs, mostly soreness, pain symptoms are reduced after bed rest, pain symptoms worsened after overexertion, manifested as numbness, weakness of the lower limbs, intermittent claudication, severe cases can be accompanied by dysfunction of bowels and lower limb muscular atrophy, the treatment method includes bed rest, physiotherapy, massage, lumbar traction, such as conservative treatment is ineffective, lumbar spinal canal can be surgical decompression. Second, sciatica, clinical manifestations for the initial lower back pain, dull pain and lumbar plate hardness, gradually appear lower limbs scattered pain, treatment includes acute bed rest, drug therapy including vitamin B1, B6, B12 and non-steroidal anti-inflammatory pain relieving drugs.