The causes of lumbar disc herniation can be divided into the following aspects: 1, the lumbar spine aging degeneration caused by: after 20 years old as age increases, the lumbar spine will appear the degeneration of the fibrous ring, the nucleus pulposus water part loss, natural degeneration aging; 2, the nature of the patient’s work: long-term chronic exertion such as porters, drivers, long time sitters or acute injury; 3, congenital causes: such as lumbar sacralization, sacral lumbarization, congenital hemivertebrae, etc. prone to lumbar disc herniation; 4, with a certain genetic predisposition.