Abstract: Community screening and diagnosis of mild cognitive impairment（MCI）in the community are of great value in the prevention of dementia. Currently，there is still no consensus on the management of community screening and diagnosis in the MCI population. This study conducted a detailed review of the current management of community screening and diagnosis，specific items for screening and diagnosis，and peri-diagnostic support for the MCI population，and found that community screening and diagnosis of MCI need to be comprehensively assessed in terms of population definition，history taking，cognitive assessment and auxiliary testing；peri-diagnostic support should include post-diagnostic disclosure，development of post-diagnostic support program and guidance on post-diagnostic support. Thus，it is suggested that community healthcare workers should carry out comprehensive assessment and diagnosis of the MCI population，and actively carry out rapid post-diagnostic support actions to promote the dementia prevention to be really moved forward.

Key words: Cognitive dysfunction, Mild cognitive impairment, Community, Screening, Diagnosis, Review

摘要： 轻度认知障碍（MCI）的社区筛查与诊断对于痴呆预防具有重要价值。目前，有关MCI人群的社区筛查与诊断管理仍未达成共识。本研究就MCI人群社区筛查与诊断的管理现状、筛查与诊断的具体项目、围诊断期支持进行了详细的评述，发现MCI社区筛查与诊断需从人群界定、病史采集、认知功能评定及辅助检查等方面进行全面评估，围诊断期支持应包含诊断后披露、诊断后支持计划的制定和诊断后支持指导等内容。提示，社区医护人员应对MCI人群进行综合评估与诊断，并积极开展诊断后迅速支持行动，推动痴呆预防关口真正前移。

关键词: 认知功能障碍, 轻度认知障碍, 社区, 筛查, 诊断, 综述