小儿先天性胆总管囊肿切除后,实施胆道重建术后的主要矛盾是胆道逆行感染。为预防胆道逆行感染的发生,我们自行设计舌状防返流瓣应用于胆道重建术,经临床实践取得良好的效果。报告如下。1　临床资料本组7例,男4例,女3例。年龄3～8岁。根据病史和临床查体及Ｂ超和ＣＴ检查,术前 Pediatric congenital choledochal cyst resection, the implementation of the main contradiction after biliary reconstruction is retrograde biliary infection. In order to prevent the occurrence of biliary retrograde infection, we design tongue anti-reflux flap for biliary reconstruction, and achieved good results through clinical practice. The report is as follows. 1 Clinical data The group of 7 patients, 4 males and 3 females. Age 3 to 8 years old. According to medical history and clinical examination and B-ultrasound and CT examination, preoperative