The main symptom of a herniated lumbar disc is swelling and leg pain in the lumbar back. All peripheral nerves in the body are emitted from the central nervous system, which includes the brain and spinal cord, and the nerve roots emitted from the spinal cord in the lumbar spine mainly innervate the lower limbs, waist and buttocks and pelvis, and the sensory nerves that innervate the skin of the lumbar back are emitted from the lumbar spinal cord, and suffering from a herniated lumbar disc will compress the spinal cord in the lumbar segment, resulting in This condition occurs when the lumbar disc herniation reaches a more serious level. Patients usually need to go to the spinal surgery department of the hospital for examination and treatment, take an MRI of the lumbar spine to clarify the severity of the lumbar disc herniation, and evaluate the need for surgery in conjunction with the patient’s neurological symptoms. It is also important to know that lumbar back pain is not only caused by a herniated lumbar disc, but also by other lumbar diseases such as lumbar muscle strain, lumbar dorsal fascia injury, and other diseases of the spine such as lumbar spondylolisthesis, spinal stenosis, and tumors and tuberculosis of the spine.