There are many ways to maintain health, all of which can not be separated from three aspects: keeping fit, keeping nature and keeping mentality, that is, keeping fit. The human body is the carrier of life, so physical exercise is an important aspect of health preservation and the most basic part. Zhang Jingyue, a famous doctor, said, "I only rely on my ears, and I am invisible. This is the first thing in life." It's about keeping in shape. Keeping in shape depends on insisting on daily exercise. All exercises that consume physical strength and strengthen the body are beneficial, and the body should maintain a normal weight and a well-proportioned figure. Obesity can easily lead to some chronic diseases. Nourishment: refers to spiritual and emotional care and moral cultivation. Is to keep your nature unchanged. Through self-reflection and observation, body and mind can reach a perfect state. Personal cultivation is not only full of wisdom of being a man, cultivating oneself and dealing with the world, but also includes always having a normal heart to deal with daily troubles and misfortunes. According to clinical reports, 90% of cancer patients have received great mental stimulation before they get sick, especially the cause of lung cancer, which is closely related to their emotions. Even if their body and mind are in a calm state, they should restore their spirit and physical strength. This is a popular health care method at present. God can only gain, not lose, only be safe, not chaotic. If you get hurt, your spirit will decline. If you fail, you will be forgetful and uneasy. Distraction leads to madness and even fainting. Those who soothe the nerves have moderate emotions. Happiness, anger, worry, thinking, sadness, fear and shock have their own statutes, and enough is enough. "People want to live a hundred years old, first of all, we must gather the gas and nourish the essence. Indeed, "sustenance" is an important part of health care. Only mental health can lead to longevity. In our daily life, there are many ways to rest, such as sleeping, resting, entertaining, closing our eyes and so on.