Longer life span. Good living habits, such as keeping enough sleep, regular work and rest, reducing the intake of alcohol and tobacco, and avoiding being in a high-risk environment for a long time, to sum up, scientific health preservation requires us to pay attention to a healthy diet, moderate exercise and good living habits in our daily life, so as to make our bodies healthier and live longer. Scientific health preservation is a very important part of our daily life. It refers to keeping healthy, delaying aging and preventing diseases through reasonable diet, exercise and living habits.