A good lifestyle makes the health of people in their 40s almost the same as that of young people in their 20s with a poor lifestyle. Forty percent of the problem of human health and longevity lies in genetics and the environmental conditions of existence. Of these, 15% are genetic factors, 10% are social factors, 8% are medical conditions, 7% are living environment and geographical and climatic conditions, while 60% need to be free from lifestyle diseases. Experts summed up the 8 elements of healthy living: 1, nutrition (Nutrition) in the life of a balanced diet, not only to eat a variety of cereals and coarse grains, but also to eat more fresh fruits and vegetables, but also to pay attention to less oil, low salt, no sugar, control the amount of staple foods. 2, water (Water) every day to drink enough and clean water, the use of hot and cold water to adjust the body of some discomfort. 3, the sun (SUnShine) more in the outdoor activities, accept the natural sunlight (to prevent exposure to the sun). 4, air (Air) more in nature to breathe fresh air. By their own efforts, to “build” a good and healthy lifestyle. 5, exercise (Exercise) adhere to the safe and appropriate amount of aerobic exercise, walking at least 2 to 3 kilometers a day. 6, rest (Rest) to combine work and rest in life, good rest habits and regular sleep. 7, faith (Trust) believe in the guidance of science, build confidence, maintain an optimistic attitude toward life and a peaceful state of mind. 8, abstinence (Temperance) abstain from desire and bad habits, do not smoke, do not drink alcohol.