目的 探讨癌症患者告知未成年子女疾病诊断过程中的心理体验，为制订相关干预措施提供参考。 方法 2022年3-6月，采用目的抽样法选择广州市某三级甲等医院抚养未成年子女癌症患者14例为研究对象,采用现象学研究方法对其进行深入的半结构式访谈,根据Colaizzi 7 步分析法进行资料分析。 结果 多数癌症患者经历了由不告知到告知的过程。其心理体验可归纳为：选择不告知的原因、隐瞒病情面临诸多困境、病情告知前的斟酌、告知后感知的益处、病情告知后所遇困境等5个主题。 结论 癌症患者常因担心疾病对孩子健康造成不利影响等原因而选择选择隐瞒病情，在此过程中会面临诸多的困境。医护人员应加强对此类人群的关注，协助其选择合适的时机、方式与子女进行沟通，更好地发挥家庭功能在促进疾病治疗中的积极作用。

Objective To explore the psychological experience of cancer patients in informing their minor children (MC) of cancer diagnosis,and to provide a reference for formulating relevant intervention measures. Methods By purposive sampling method,14 cancer patients in a tertiary hospital from March to June 2022 were selected.The semi-structured interviews were conducted using the phenomenological research method.The Colaizzi 7-step analysis was adopted to analyze the data. Results Most cancer patients experienced a process from not informing to informing their minor children of the disease diagnosis.The psychological experience could be summarized into five themes:the reasons for choosing not to inform,facing difficulties by concealing the illness,thinking before informing the patient’s condition,perceived benefits after condition notification,and negative psychological experience after informing the patient’s condition. Conclusions Cancer patients often choose to hide their illness because they are worried about the adverse effects of the disease on their children’s health,and they will face many difficulties in this process.Medical staff should strengthen their attention to such groups,and help them choose the right time and way to communicate with their children,therefore better playing the positive role of family function in promoting disease treatment.

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