Dementia is a kind of acquired intelligence impairment syndrome with cognitive impairment as the core symptom  Its intelligence impairment is sufficient to interfere with social or occupational functions  It is a chronic progressive disease  The scope of impairment involves memory, behavior, personality, and judgment,  attention, visuospatial skills, language, logical reasoning and many other advanced neurological functions  According to statistics, dementia has become the fourth killer after cardiovascular disease, cancer and stroke, which seriously threatens the health and quality of life of the elderly  Age is an important risk factor for senile dementia  It is generally believed that the prevalence of dementia will double for every 5 years of people over 60 years old
As the elderly population continues to increase, Alzheimer's will become a serious public health problem in our country
The number of patients with Alzheimer's disease in my country will continue to rise.