Modern medicine focuses on reducing the symptoms and progression of dementia through early diagnosis and early treatment. Patients with Alzheimer’s disease can take vitamin supplements and antioxidants such as ginkgo biloba preparations, vitamins C and E, beta-carotene, etc. under the guidance of doctors. Also maintain a good state of mind and ensure a balanced psychological and mental state. Adhere to a healthy lifestyle, quit smoking and alcohol; exercise appropriately; a healthy and balanced diet can help in the prevention and treatment of the disease, pay attention to dietary diversity, consume more vegetables, legumes, fruits and whole grains, preferably with less salt, less sugar and less oil, reduce the intake of saturated fat and trans fat, etc. In terms of medication, mild to moderate dementia can be treated with cholinesterase inhibitors, including donepezil, galantamine, lisdexamfetamine and carboplatin; moderate to severe patients can use high doses of cholinesterase inhibitors, or add NMDA receptor antagonist memantine for combined treatment; other drugs such as nimodipine, ginkgo biloba extract, vitamin E, piracetam and olacitam can be used after weighing the pros and cons Other drugs such as nimodipine, ginkgo biloba extract, vitamin E, piracetam and olacitam can be used appropriately. Although there is no radical cure for Alzheimer’s disease to reverse the course of the disease, the progression of the disease can be delayed, cognitive, mental and behavioral impairments can be improved, and maximum self-care can be achieved through standardized drug treatment, enhanced life care, and comprehensive rehabilitation measures.