Minimally invasive surgery, represented by laparoscopic surgery, has become the most basic method for treating many diseases after nearly 20 years of development. Pediatric inguinal hernia and pediatric syringomyelia, which are common pediatric diseases requiring surgery, are now applied as miniature (3 mm diameter) laparoscopic, surgical, internal ring ligation surgical methods with reliable results and the advantages of very low recurrence rate, small incision, cosmetic, and fast recovery, and for Some occult diseases (contralateral internal ring not closed, not yet developed, may develop in the future) can be probed intraoperatively and treated surgically together to achieve the purpose of preventing the development of the disease. For the departments and doctors who can perform laparoscopic surgery in pediatric surgery, the efficacy of this method in treating pediatric inguinal hernia and syringomyelia is definite and reliable.