Lumbar spine see spine surgery. Lumbar spine belongs to the spine surgery, which is a separate specialty department within the orthopedics department, mainly treating some lumbar spine diseases, such as lumbar leg pain, lumbar disc protrusion, spinal stenosis, lumbar dorsal musculoskeletal fasciitis, lumbar spine tumors, spinal cord tumors, lumbar spine tuberculosis. Painful activity limitation caused by lumbar spine trauma, such as lumbar spine compression fracture, lumbar spinal cord injury. Lumbosacral cysts, lumbar hemangiomas and tumors. As the lumbar spinal canal is traveled by the spinal cord and cauda equina, once the spinal cord or cauda equina is compressed or damaged, it can lead to weakness of both lower limbs, sensory abnormality, urinary and defecation disorders and so on. So when the lumbar spine occurs the above situation can go to the spine surgery department to see, the doctor will according to the patient’s condition to take X-ray film, CT or nuclear magnetic, to clarify the degree of lesions, under the guidance of the doctor active treatment, take conservative treatment or surgical methods.