瑞芬太尼联合丙泊酚全凭静脉麻醉由于可控性好,停药后苏醒迅速,被广泛用于小儿扁桃体切除术[1]。但术后镇痛消失较快致使麻醉苏醒期痛觉过敏,患儿易躁动、哭闹,增加苏醒期风险。目前临床上常应用镇痛剂减轻疼痛,预防术后躁动,但存在镇静过度、呼吸抑制等风险。我们将局部阻滞麻醉应用于 Remifentanil combined with propofol in total intravenous anesthesia is widely used in pediatric tonsillectomy due to its good controllability, rapid wake-up after drug withdrawal [1]. However, the rapid disappearance of postoperative analgesia anesthesia awakening caused by hyperalgesia, irritability in children, crying, increasing the risk of recovery. At present, analgesics are often used clinically to relieve pain and prevent postoperative agitation, but there is a risk of sedation and respiratory depression. We apply local block anesthesia to