Family caregivers increasingly support health care tasks but are not meaningfully integrated into the health care setting in consistent or standard way. Previous literature has established the importance of trust in patient-clinician relationships; yet, little is known about family caregiver-clinician trust, and further, how and when to integrate family caregivers into health care teams so they can better support their relative. This study examined a) how physicians assess and perceive trust with family caregivers, b) the role of culture in trust dynamics, and c) facilitators and barriers to integrating caregivers into health care teams. We conducted twenty qualitative interviews with physicians in geriatrics (n=9) and oncology/hematology (n=11) between January-March 2021. Physicians assess caregivers' competence, reliability/dependability, and fidelity. They assess caregivers' engagement (e.g., asking questions, verbal and non-verbal cues) to determine whether caregivers trust them. Physicians in our study trust other physicians more than caregivers in certain situations (e.g., for objective information, data) while they trust caregivers more than other physicians for information that requires familiarity and time with the patient (e.g., observations in the home environment). When supporting patients from diverse cultural backgrounds, physicians often rely upon caregivers to provide contextual information about relevant cultural norms. Inte-员提供有关相关文化规范的背景信息。当患者与护理人员的 关系牢固时，及早将护理人员融入护理团队对于提供有效的 患者护理而言至关重要。技术能促进信任建立的过程，以进 一步支持护理人员的融入。在医生和家庭护理人员之间建立 信任驱动的伙伴关系，对于有效传播重要信息以支持患者护 理一事至关重要。与远程医疗相关的指南和政策、医生和护 理人员之间的讨论、用于筛选护理人员技能和负担的工具、 以及与护理人员合作的报销，是支持护理人员和患者护理一 事的重要优先事项。 关键词：家庭护理，老年病学，肿瘤学，信任