health is undoubtedly a systematic project, involving all aspects; health knowledge is vast and numerous and endless. How can I keep health knowledge for me and promote self-health? There are two key points. Let me talk about one of them first, and that is to grasp the main contradictions. Only by grasping the main contradictions can we do more with less. So, what are the main contradictions for promoting health?

　　Dr. Director of the US Centers for Disease Control, in an interview early this year, pointed out that there are a lot of evidence-based medical evidence support, and four points for the actual social life Key measures:

　　 1. Don’t smoke or let people around you smoke. Because, once you can smell the smoke, you are already exposed to chemicals that can cause cancer, stroke, and heart disease.

　　 2. Measure your blood pressure and make sure your blood pressure is within the normal range, that is between 90 and 140. Take all measures, including antihypertensive drugs, to control blood pressure in the normal range.

　　 3. Active exercise. Do physical activities every day, such as climbing stairs, cycling, walking, doing housework and other physical activities. It is best to exercise regularly. 90% of Chinese lack physical exercise.

　　 4. Healthy eating. Don''t eat too much, eat more fruits and vegetables, drink more water, and refuse junk food and sugary drinks.