Lao Tzu, damn it. Laozi, also known as Tao Te Ching, contains the idea of keeping in good health. Zhuangzi by Zhuangzi. The main ideas of health preservation are: "quietism", which requires "forgetting myself without desire", and that "nothing is enough to scratch the heart, so it is quiet", which reveals that the combination of static and dynamic is more conducive to health and longevity. Zi Huazi, author Zi Huazi. The book emphasizes the importance of keeping qi and blood running. Huangdi Neijing. Written in the Western Han Dynasty, it is not a one-off work, but the oldest and most complete medical work in the world. The book is comprehensive in health care and extremely rich in health care ideas. Ji Kang's On Health Preservation. In the method of nourishing the heart, it not only advocates clearing the deficiency and calming the nerves, but also advocates the music's delight and nourishing nature.