Pain in the lumbar spine may be caused by lumbar disc herniation, lumbar spinal stenosis, lumbar spondylolisthesis and other causes. 1. Lumbar disc herniation: The occurrence of lumbar disc herniation is related to the role of external forces, genetic factors and the degeneration of lumbar discs. If torsional violence occurs in flexion, the lumbar spine is prone to pain. 2. Lumbar spinal stenosis: pain in the lumbar spine requires vigilance against lumbar spinal stenosis. Factors such as herniated discs or osteophytes, leading to the occupation of the vertebral canal, compression of the spinal cord or nerve roots, when walking, it will be with the increased pressure in the spinal canal, and produce lumbar spine pain phenomenon. 3. Lumbar spondylolisthesis: If the patient has lumbar spine instability, it may lead to lumbar vertebral body slippage and lumbar spine pain phenomenon. It is mainly due to congenital hereditary factors, or acquired trauma, which leads to the fracture of the isthmus of the lumbar vertebrae, so the lumbar vertebrae may induce pain in the lumbar vertebrae when walking activities. Lumbar spine pain may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.