食管异物是小儿急诊常见病之一。其治疗方法是在X光定位后，使用传统食管镜取出异物。该法对较大的圆钝、光滑异物，在食管镜下钳夹有一定困难，异物易脱落，且给患儿造成较大痛苦，而弗雷氏管（Foleycatheter）特别适用于圆钝形食管异物的取出，其手术操作简单易行，成功率高 Esophageal foreign body is one of the most common pediatric emergency. The treatment is X-ray positioning, the use of traditional esophageal foreign body removal. The law of the larger blunt, smooth foreign body, the esophageal mirror clamp has some difficulties, foreign body easy to fall off, and to cause greater pain in children, and Frey tube (Foleycatheter) is particularly suitable for round blunt esophagus Removal of foreign body, the surgical operation is simple and easy, the success rate is high