Classical surgery for lumbar disc herniation is a routine procedure in spine surgery, but many factors may affect the efficacy of the procedure. In order to prevent recurrence and spinal instability after lumbar disc herniation and to enhance long-term postoperative results, some patients need to undergo concurrent lumbar fusion, but classical surgery for disc herniation with concurrent spinal fusion must be strictly controlled for indications. 1.Ineffective by conservative treatment for 3 weeks to 3 months, or effective by conservative treatment, but recurrent episodes, which seriously affect the patient’s quality of life. 2.The first episode of pain is severe, painful, and seriously affects the movement and sleep. 3.Single or multiple nerve compression, paralysis performance. 4.Middle-aged patients with long duration of disease, recurrent symptoms, serious patient life and work. 5, combined with spinal stenosis, vertebral body slippage, vertebral instability. 6, atypical medical history, but imaging examination shows that the disc protrusion or prolapse is obvious and severely compresses the nerve roots.