The advantages of laparoscopic repair of the internal ring opening for the treatment of pediatric hernia: 1. small incision, no skin suture, no obvious scar; 2. no postoperative intravenous antibiotic infusion, reducing the impact of the increase in abdominal pressure caused by postoperative crying on the surgical effect of the child, and reducing postoperative care; 3. timely detection and treatment of contralateral occult hernia or unclosed sphincter duct, if the contralateral internal ring opening is not closed, only a small 0.15 cm poke is needed to add a small hole; 4. If the contralateral internal ring is not closed, only a small 0.15cm poke hole is needed to complete the high ligation of the bilateral internal ring in one time, and there is no need to cut the contralateral inguinal area twice; 4. The internal ring can be clearly visible under laparoscopy, which can avoid damaging spermatozoa, vas deferens and blood vessels; 5.