I. The indications for surgery for simple lumbar disc herniation, whether minimally invasive or incisional, are the same: (1) Causing foot drop or cauda equina injury (difficulty in urinating and defecating)-emergency surgery. (2) Conservative six weeks ineffective severe back and leg pain, numbness, serious impact on work and life; Second, the current domestic and international standards (Golden Standard) of surgical treatment remains the small incision of the open window method of discectomy, the incision 3 to 5 cm, 15-20 years after the operation, the satisfaction rate is 80%.