The three cornerstones of good health: light diet, moderate exercise, good mentality 1, to prevent atherosclerosis: atherosclerosis is the main “enemy” of dementia, dietary regulation, eat less salt, and carry out appropriate physical activities to help prevent atherosclerosis. Avoid the use of aluminum drinking utensils: aluminum salt into the body, the first deposition in the brain, inducing Alzheimer’s disease. 3, quit smoking and alcohol: alcohol and tobacco in the nicotine, cadmium, lead and other toxic substances and alcohol in the methanol will make the brain nerve fibers occur particulate vacuole-like degeneration. 4, frequent finger activities: in addition to the overall body activities, try to do more finger activities. Finger activities, especially precise hand movements, such as: threading, embroidery, knitting, etc. can stimulate the brain to prevent brain degeneration, and the more complex the pattern, the better the effect. 5. Cultivate more interests and strengthen the stimulation of the five senses: it can activate the brain cells and prevent the brain from aging. Elderly people use their leisure time to read, read newspapers, play chess, play the piano, listen to the radio, watch TV …… In short, every day to the brain “a little more stimulation, less dementia”. 6, more sociable, extensive contact with all aspects of the crowd: usually actively participate in collective activities do not leave the door, two doors do not go, alone, which is beneficial to the maintenance of brain power. 7, learning new things: can strengthen the brain’s thinking activities, accelerate brain blood circulation and brain cell metabolism. 8, to maintain the cause of the persistent pursuit of: “live to old, learn to old”, the survey data show that people who do nothing all day long suffer from dementia proportion is higher.