81.8% of patients hospitalized for back pain and intermittent travel; the average number of days hospitalized was 18 days (8 - 41); clinical results: back pain (100%), root pain (87.9%), Lasegue (+) (90.9%), sensory disturbances (78.8%), sphincter disturbances (36.4%), recuperation (97%), muscle atrophy (54.5%); sizes of spinal canal on MRI: front and back diameter (9 mm), transverse diameter (7.24 mm), lateral spine height (1.17 mm), spinal canal area (0.74 cm2), golden ligament thickness (3.7 mm); causes of spinal stenosis: disc herniation (90.9%), enlargement of the joint surface (84.8%), thick yellow ligament (97%); treatment results: NRS scale: before surgery (8.45), postoperative (3.85), 01 month (2.27), 03 months (0.88); JOA index: preoperative (6.15), postoperative (10.06), 01 month (12.48), 03 months (15.21).