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目的探讨关节镜下采取保留喙肩韧带的肩峰下间隙减压手术方式治疗肩峰下撞击综合征的方法以及临床结果。方法2010年1月至2013年6月间，临床治疗肩峰下撞击综合征患者30例。手术过程：刨刀切除肩峰下滑囊；磨钻将肩峰的前缘磨平，术中注意保留喙肩韧带；探查肩锁关节并磨除骨赘；肩袖撕裂有手术指征者用锚钉修复。患者肩关节功能进行UCLA（University of California at Los Angeles）评分评估。结果平均随访时间16．8（7～25）个月，全部获得完整随访资料。术前UCLA评分平均为（16．15±2．13）分，术后平均为（31．85±2．57）分；和术前评分比较，两者差异有统计学意义（t＝36．09，P＜0．01）。结论保留喙肩韧带的关节镜下肩峰下间隙减压手术方式治疗肩峰下撞击综合征疗效满意，具有手术方式简单、花费少、出血少、创伤小、肩关节稳定性好、恢复快的优点。“,”Objective] To explore the clinical results of arthroscopic subacromial decompression with keeping cora‐coacromial ligament for the treatment of subacromial impingement syndrome .[Methods]A total of 30 patients with sub‐acromial impingement syndrome received clinical therapy from Jan .2010 to June 2013 .Surgical procedure was as follows:subacromial bursa was removed with electric‐planer ,and the leading edge of acromion was grinded by burr ,and cora‐coacromial ligation was kept during the operation ,and acromioclavicular joint was explored and osteophytes were resected , and patients with the indication of rotator cuff tear was repaired with anchors .Shoulder function of patients was assessed with UCLA(university of California at Los Angeles) score .[Results] The mean follow‐up time was 16 .8 months(7~25 months) .All complete follow‐up data were collected .The mean preoperative and postoperative UCLA score was (16 .15 ± 2 .13) and (31 .85 ± 2 .57) ,respectively .The excellent and good rate was 89 .1% .There was significant difference in the scores between before and after operation( t=36 .09 ,P<0 .01) .[Conclusion]Arthroscopic subacromial decompres‐sion with keeping the coracoacromial ligament is an effective method for the treatment of subacromial impingement syn‐drome .It has the advantages such as simple operation ,low cost ,less bleeding ,small trauma ,good shoulder stability and fast recovery .