总结3例肺癌患者使用免疫检查点抑制剂治疗后发生心脏毒性反应的护理体会。护理要点：及时评估并监测心脏毒性；安全给药以减轻心脏毒性反应；应用护理多学科协作模式完善专科护理；落实个性化出院随访促进患者早日康复。经及时干预、严密监测和综合管理，1例患者恢复良好，继续行免疫治疗，2例患者停止免疫治疗后行姑息治疗。随访半年，3例患者病情稳定。

To summarize the nursing experience of three lung cancer patients with cardiotoxic reactions after treatment with immune checkpoint inhibitors. Key points of care included timely assessment and monitoring of cardiotoxicity，safe drug administration to reduce cardiotoxic reactions，application of multidisciplinary nursing cooperation model to improve specialized nursing，implementing personalized discharge follow-up to promote early recovery of patients. After timely intervention，close monitoring and comprehensive management，one patient recovered well and continued immunotherapy，and two patients were treated with palliative therapy after stopping immunotherapy. The condition of three patients in this group was stable during six-month follow-up.