Pediatric inguinal hernia and syringomyelia are common disorders in children. The cause is the failure of the peritoneal sheath to close during fetal descent with the testis. If the opening of the sphincter in the inner ring is large and small intestine and other abdominal organs protrude into it, a hiatal hernia is formed; if the opening of the inner ring of the sphincter is small and fluid accumulates in it to form a cystic bag, a syringomyelia is formed. According to domestic and international statistics, the ratio of hiatus hernia and syringomyelia is 9:1 for boys and girls, 7:3 for the right side and left side, 10% of the cases are bilateral, 20% of the cases are unilateral, and the right side is the main one after surgery. The conventional surgery was performed by making a 1 cm skin incision at the corresponding location on the affected side of the abdomen, searching for the separated hernia sac and sphincter and then performing ligation at a high level. Compared with conventional surgery, the advantages and disadvantages of laparoscopic surgery for hiatal hernia and syringomyelia are as follows: Advantages 1. quick recovery, a small amount of food can be eaten 6 hours after surgery, and the patient can get out of bed 1 day after surgery. 2. small incision, the surgery is performed as a small incision. 2, small incision, the operation is 2 incisions, one at the umbilicus and one at the umbilicus, both about 0.5cm in size, no need to suture the skin, beautiful after healing. 3.Small invasion, direct high ligation during surgery, no need to dissect the hernia sac and sphincter, little impact on the spermatic cord and other reproductive tissues, no obvious scrotal swelling and less pain after surgery. 4.Large field of view, under the laparoscopic magnification, direct view of vas deferens, spermatic cord and other important reproductive tissues, and high surgical safety. 5.Large scope, for children with bilateral hiatal hernia, syringomyelia or hiatal hernia combined with syringomyelia, no additional incision is needed and bilateral surgery can be performed under laparoscopy. For children with unilateral hiatal hernia and syringomyelia, contralateral exploration can be performed after unilateral surgery, and if the sphincter orifice is not closed, a high ligation can be performed in parallel to avoid secondary surgery later. Disadvantages 1. The same as conventional surgery, there is a certain recurrence rate. 2. The cost of surgery is higher than that of conventional surgery.