中文摘要：

目的痴呆是老年人群的常见病，临床医师在痴呆的诊断过程中尚存在一些障碍。目前，痴呆的诊断主要是临床医师依据病史、症状、体征、神经心理学测试和辅助检查综合分析，根据不同病因痴呆的特征性表现，遵循多种诊断思维原则，循序渐进地对痴呆综合征进行诊断和鉴别诊断。本文结合国内外痴呆诊断的最新研究进展，阐述便于临床医师应用的痴呆临床诊断思维方法。

英文摘要：

Dementia is a common disease in the elderly population, it still exists some barriers for clinical physicians to diagnose dementia.To make the clinical diagnosis and the differential diagnosis of dementia, clinical physicians currently need to make a synthesis based on history, symptoms, signs, neuropsychological testing and auxiliary examination, and seize the characteristic features of different dementia and follow various diagnosis thinking principles.According to the recent research advances at home and abroad in the diagnosis of dementia, the clinical diagnosis thinking of dementia which is readily available to clinical physicians will be introduced.