Alzheimer’s disease, also known as Alzheimer’s disease, has a course of approximately 5-10 years, with a small number of patients surviving for more than 10 years. Most patients die due to complications such as lung infections, urinary tract infections, and pressure sores. Alzheimer’s disease is a degenerative disease of the central nervous system, the cause of which is not well understood and is mainly related to genetic and environmental factors. There is no cure for Alzheimer’s disease, but comprehensive treatment can alleviate the disease and slow down its progression. Alzheimer’s disease mainly manifests as memory impairment, aphasia, loss of use, and loss of recognition. Patients will have changes in computational ability, spatial ability, personality, and behavior. Treatment should strive for early detection and early administration of drugs, and non-pharmacological therapies can also be used for treatment. Drugs can be given to patients with oral donepezil hydrochloride, staphylococcus aureus, meperidine, and olacitam, etc.