with the advent of an aging population, alzheimer's disease ( AD） it has imposed a heavy social and economic burden on the global public health system. AD more than 20 years before the onset of typical symptoms, a series of pathological and physiological changes may occur in brain tissue, and mild cognitive impairment (mci) may occur during this process. MCI）， right now AD origin MCI， this is the earliest stage with clinical symptoms, which is called AD the most important window for early detection, diagnosis and prevention.

to meet the needs of clinical practice, further improve the medical workers' AD origin MCI after many discussions, experts from the dementia and cognitive disorders group of the chinese medical association's neurology branch have developed the alzheimer's disease origin chinese expert consensus on diagnosis and treatment of mild cognitive impairment.in the hope of AD provide consensus and guidance for early diagnosis, early intervention and precise treatment.

compiled from: dementia and cognitive impairment group of the neurology branch of the chinese medical association. chinese expert consensus on the diagnosis and treatment of mild cognitive impairment of alzheimer's disease 2021 [J].chinese journal of neurology, 2022, 55 (5):421-440.DOI:10.3760/cma.j.cn113694-20211004-00679.