Abstract： Objective To explore the feasibility of treating pediatric inguinal hernia with self-developed plugging pediatric hernia sac closer.Methods Under general anesthesia intubation,through a 10 mm puckering in umbilical region,lens and pediatric hernia sac closer were inserted.And a special puncture needle was guided from the corresponding places of outer and inner rings of inguinal canal surface into abdominal cavity.Then the positioning lines were pulled out from inguinal canal and knotted for closing abdominal wall defects.Results From December 2011 to March 2013,37 cases (38 sides) of inguinal hernia were treated surgically.At discharge,neither redness nor hardness was found in all groin areas.Thirty-five cases had no scrotal edema and only 1 case showed umbilical incision redness at Day 9 post-operation.During a follow-up period of 14.6 ± 5.89 months,neither recurrence of hernia nor obvious scarring or hardness occurred in groin area.Conclusions The pediatric hernia sac closer is both feasible and safe in the treatment of pediatric inguinal hernia.