本文作者对ｌｌ例小儿胸腹联合伤做出临床分析，认为小儿胸腹联合伤病情复杂，常并发多系统、多器官损伤，有“表轻里重”的特殊性。胸腹腔穿刺是一简便而有效的诊断方法。呼吸窘迫综合征和失血性休克是其主要致死原因。胸腔闭式引流和剖腹探查手术是主要的治疗手段。在诊断不清时先开胸比先开腹手术可明显降低死亡率。 The author of the ll cases of pediatric chest and abdomen joint injury to make a clinical analysis that the chest and abdomen in children with complicated injuries, often complicated by multiple systems, multiple organ damage, a “table light weight” of particularity. Thoracic and abdominal puncture is a simple and effective diagnostic method. Respiratory distress syndrome and hemorrhagic shock are the main causes of death. Closed thoracic drainage and laparotomy surgery is the main treatment. Thoracotomy before the diagnosis of open laparotomy can significantly reduce mortality.