To prevent Alzheimer’s disease, we should improve our lifestyle and control hypertension, diabetes and other underlying diseases that may affect the blood supply to the brain and brain function. The causes of Alzheimer’s disease are not yet fully understood. Besides being related to genes and heredity, it is also related to poor lifestyle and certain underlying diseases. The risk of Alzheimer’s disease can be reduced through these lifestyle improvements, such as quitting smoking and drinking, exercising more, going to bed on time every day, and getting enough sleep. Many chronic diseases also increase the risk of Alzheimer’s disease, so it is important to treat and control them aggressively. For example, patients with high blood pressure should take amlodipine and Benadryl to lower their blood pressure; patients with high blood fat should take drugs such as atorvastatin; and patients with diabetes should take glucose-lowering drugs such as metformin by mouth or insulin injections to control their blood glucose from normal levels. If the symptoms of dementia, should promptly seek medical attention, under the guidance of the doctor regular treatment.