Abstract:Objective To explore the clinical effect of arthroscopic double locking stitch technique to treat rotator cuff tears.Methods A retrospective analysis of 11 patients with rotator cuff tears treated from July 2019 to April 2020 was performed with double locking stitch technique under arthroscopy. There were 4 males and 7 females; Aged 43 ~ 61 years, with an average age of 51 years. All the patients were evaluated by American Shoulder and Elbow Surgeons (ASES) score and Constant-Murley score before and after surgery.Results All the patients were followed up for 3 ~ 12 months, with an average of 6.2 months. There were no postoperative complications such as incision infection and deep vein thrombosis. The ASES score increased from preoperative (61.52 ± 2.88) to postoperative (78.59 ± 4.69), Constant-Murley score increased from preoperative (59.51 ± 3.56) to postoperative (79.54 ± 3.62), the difference between Constant-Murley score and ASES score before and after operation, the difference was statistically significant (P < 0.05).Conclusion Arthroscopic double locking stitch technique suture in treatment of rotator cuff tears is less invasive, accurate, and has the advantages of simple operation, reliable suture, cost saving, etc. It can shorten the operation time to a certain extent, which is beneficial to early postoperative functional training of shoulder joints.