With the increasingly serious problem of population aging,various problems threatening the health of the elderly are also increasing.As a major health killer of the elderly,Alzheimer's disease threatens the life safety of the elderly,and the cause is unknown,and it is difficult to reverse the disease,which brings great psychological,economic and life burden to the patients and their families.Therefore,in order to improve the quality of life of patients with Alzheimer's disease,reduce the economic pressure of patients and their families,and provide their families with appropriate lifestyle care,convenient living environment,and practical and diversified cognitive exercise methods,this paper discusses professional,comprehensive assessment methods and diagnostic methods,diversified cognitive function exercise and other methods,quiet,comfortable and convenient living environment,theoretical models,drug,non-drug and nursing methods based on new nursing technology for patients with Alzheimer's disease are summarized,with a view to guiding clinical nursing work,giving help to patients'families,better nursing patients,and reducing the adverse effects of the disease on patients.