Objective: To study the characteristic of lumbar disk herniations associated lateral recess stenosis and surgery treatment methods. Methods: To analyse 29 cases datas by surgery treatment, the nerve root is loosed when half the board of lumbar is excised or opened, and enlarge the lateral recess. Results: 29 patients were followed-up with an average of 14 months, with effective rate of 100% and excellent and good rate of 93.10%. Conclusion: This disease are complicated. It should process colligate analyse and estimate carefully before operation, combined the image examination, select proper operation manner for advance of curative effect after operation.