Male, 24 years old, student Lower back pain with radiating pain in the left lower extremity for 8 months. Conservative treatment was ineffective for 4 months. Fu Qiang, 24-year-old male, university student, spine surgery department, Shanghai Changhai Hospital. Lower back pain with left lower extremity radiating pain for 8 months, conservative treatment was ineffective for 4 months. Minimally invasive surgery was performed for lateral posterior nucleus pulposus removal with intervertebral foramina. The patient was admitted to the hospital for surgery at the weekend and returned to school the following Monday. CT tomography showed L4-5 disc herniation CT cross-section showed L4-5 disc herniation MRI showed nucleus pulposus prolapse under local anesthesia discography microscopic blue staining of the nucleus pulposus and the nucleus pulposus incision removed from the posterior longitudinal ligament normalization of the straight leg raising test immediately after surgery