This chapter discusses the anaesthetic management of the neonate, infant, and child. It begins with a description of neonatal physiology, then discusses fluid management, anaesthetic equipment, and the conduct of anaesthesia in children, including post-operative analgesia. Regional anaesthetic techniques in children are discussed, including caudal, epidural, spinal, and regional nerve blocks. Surgical procedures covered include repair of diaphragmatic hernia, gastroschisis/exomphalos, tracheo-oesophageal fistula, patent ductus arteriosus, pyloric stenosis, intussusception, herniotomy, penile circumcision, orchidopexy, hypospadias, cleft lip and palate, congenital talipes equinovarus, femoral osteotomy, and inhaled foreign body. It concludes with a discussion of paediatric medical problems, stabilization of the critically ill child, and paediatric sedation.