Recently, the Department of Orthopedics successfully completed the first minimally invasive transforaminal lumbar fusion surgery. The patient, a 57-year-old male, had been suffering from lumbar pain with radiating pain in the left lower limb for 6 months, and his symptoms had gradually worsened recently. After examination, the patient was diagnosed with “lumbar spinal stenosis combined with lumbar disc herniation”. The patient’s preoperative lumbar MRI examination revealed that the lumbar 5-sacral 1 disc was prolapsed and the lumbar 4-5 spinal canal was significantly narrowed, and the nerve roots were heavily compressed. After careful analysis of the patient’s medical history and careful review of the films, Associate Chief Physician Liu Zheng concluded that the patient’s lumbar 4-5 disc prolapse and spinal canal stenosis were the main causes of the patient’s back and leg pain, and that the patient was suitable for minimally invasive surgery, and that trans-lumbar interbody fusion was performed while removing the disc and decompressing the spinal canal. Finally, Liu Zheng successfully performed the minimally invasive transforaminal lumbar fusion surgery for the patient in 5 hours, with only 30 ml of intraoperative bleeding, and the patient reported complete relief of radiating pain in the left lower extremity immediately after waking up from anesthesia. The patient walked on the ground 2 days after the operation. It is reported that minimally invasive transforaminal lumbar interbody fusion is one of the clinically important minimally invasive spine surgeries with good surgical results, little trauma and fast recovery for patients with lumbar spinal stenosis, disc herniation, lumbar spondylolisthesis and lumbar instability. Through years of clinical accumulation and study, Dr. Liu has fully mastered this technique and can better serve his patients.