Inclusion Criteria:  Children scheduled for laparoscopic percutaneous extraperitoneal closure(LPEC) for pediatric inguinal hernia and hydrocele ASA I-II physical status patients Complete inform consent for intervention  Exclusion Criteria:  Contraindication for regional anesthesia Sensitive to local anesthetic agent, opioid or acetaminophen Previous history of abdominal surgery History of neuromuscular disease G6PD deficiency