Mainly from two aspects, one is physical and the other is psychological. Only when these two aspects are coordinated, the whole body will be relatively better and life will have a better quality, which is the purpose of health preservation. For the maintenance of the body, it is necessary to do proper exercise to make the body healthier, because the essence of life is endless, and proper activities can better coordinate the organic unity of the whole body. Zhuangzi said that people are blown out by qi. Since it is qi, it is easy to flow, so proper activities are also conducive to the movement of qi. Secondly, the diet should be appropriate. Diet and necessary nutrition should be kept up, which is the material guarantee of good health. Finally, psychological adjustment is good. Keeping a good attitude can prolong life. The mind can influence the body, and the body can also influence the body, but the key is that the mind plays a leading role. Therefore, keeping a calm heart and a cheerful heart is of great benefit to health. Only by combining these three aspects, especially the adjustment of mentality, health preservation is a piece of cake.