[目的]分析发育性髋关节脱位术后再脱位的原因,探讨其手术治疗方法。[方法]回顾本院收治的11例发育性髋关节脱位术后再脱位的病例,分析再脱位的原因,针对原因采取不同手术方式进行治疗。[结果]全部病例获得1年3个月～7年随访。临床结果:4髋为优,5髋为良,2髋为可,优良率81.8%。[结论]正确判断病理改变、选择合适术式、精确的术中操作是发育性髋关节术后再脱位手术成功的关键。 [Objective] To analyze the causes of dislocation after developmental dislocation of the hip and to discuss its surgical treatment. [Methods] The 11 cases of dislocation of developmental dislocation of hip in our hospital were retrospectively analyzed. The causes of dislocation were analyzed. Different surgical methods were used for the treatment. [Results] All cases were followed up for 1 year and 3 months to 7 years. Clinical results: 4 hips were excellent, 5 hips were good, 2 hips were good, excellent and good rate was 81.8%. [Conclusions] Correct judgment of pathological changes, selection of appropriate surgical procedures, and precise intraoperative manipulation are the keys to successful surgical procedures for dislocation of developing hip.