本文介绍应用１２％枯矾溶液行直肠两侧注射方法治疗婴幼儿直肠脱垂３０例，均经一次注射痊愈无复发。并就并发症防治等问题进行讨论。 This article describes the application of 12% dry alum solution rectal injection on both sides of the rectum prolapse in 30 cases of infants and young children, were cured by an injection without recurrence. And discuss the prevention and treatment of complications and other issues.