先天性髋脱位是常见的先天性畸形。随儿童年龄的增长，其解剖病理变化趋于复杂严重，近３年来，我们采用宁氏囊外菜刀型骨块插入加盖术治疗８例１０髋，疗效显著，现就提高疗效，减少并发症的发生报告如下。１临床资料本组８例１０髋，男２髋，女６髋，单侧６例，双侧２例... Congenital dislocation of the hip is a common congenital malformation. With the growth of children’s age, the anatomical pathological changes tend to be complicated and serious. In the past 3 years, we have adopted the Knife’s extracapsular knife-type bone insertion and capping treatment of 8 patients with 10 hips, with a significant effect, and now to improve efficacy and reduce complications The occurrence of the report is as follows. 1 Clinical data The group of 8 patients 10 hips, male 2 hips, female 6 hips, unilateral in 6 cases, bilateral in 2 cases.