1, optimistic state of mind Optimism can make the body’s neurological and endocrine system of auto-regulation role in the best state, conducive to physical health, conducive to promoting human perception, memory, imagination, thinking and other activities. An optimistic state of mind makes a person feel good and young, as the saying goes: “A smile makes ten years less. When a person has a good mind, everything in the world becomes beautiful. As long as you look at the world optimistically and positively, the world is beautiful. A philosopher said: “Life is like a mirror, you laugh he also laugh, you cry he also cried”. Life should be “three happy”, the first to help people happy, the second satisfied with the happiness, the third self-gratification. Help people, purify the soul, sublimation of personality, being human is the greatest joy of life. 2, exercise in moderation Exercise is a very important element of health. Hippocrates, the father of medicine, said, “Sunlight, air, water and movement, are the source of life and health.” So people often say: life is in motion, health is in motion, so what is the best exercise? Walking is the best exercise in the world. From apes to humans, the whole human body is designed for walking, and walking is easy to do. Walking should be carried out in a beautiful environment, choose a flat road, even stride, stable gait, natural breathing, and adhere to walking exercise every day, which is conducive to improving cardiopulmonary function. In addition to walking, there is another exercise worth advocating, that is taijiquan. Taijiquan moves slowly and naturally, moving with stillness, soft with rigidity, focusing on static movement, rigidity and flexibility, the greatest benefit is to improve the nervous system, suitable for combined hypertension ‘coronary heart disease. Other sports are cycling, swimming, gymnastics, etc. are healthy and beneficial. 3, sleep enough sleep is a necessary process of life, is a biological rhythm, accounting for about a third of the time in life. The human brain needs to sleep, but it does not get any rest in the waking state. Neurons and related tissues need rest for the body to recover and rebuild and regenerate, and only the sleep state can provide such rest. Human behavior is altered when sleep is lost; we cannot live on earth without it. In fact, sleep deprivation has very serious consequences: mood changes are the first effects to appear, such as rapid alternation of irritability, cheerfulness and depression, lack of interest in the environment, etc.; sleep deprived people have tingling sensations in their hands and feet, are more sensitive to pain, and also experience various visual disturbances such as burning sensations in the eyes, eye stinging, double vision and hallucinations (after 3 days of sleep deprivation); sleep deprived people have disorganized thoughts, which are manifested by answering questions The sleep deprived person’s disorder of thinking may be manifested by inability to express complete meaning when answering questions, forgetfulness of recent events, and eventually mental disorders. Experiments have shown that animals can die after being deprived of sleep. Since sleep is so important, how much sleep do we need? It is generally believed that we need about 8 hours a day. However, in the Qing Dynasty, the text of “Zuoyuan Zaoji” advocates “less food and less sleep”, pointing out that “people today take full food and restful sleep as the joy of life, not knowing that more food will be stagnant, more sleep will be drowsy, which is also contraindicated by health practitioners”. A recent study by scholars at the University of California also proved that sleep is related to life expectancy, the average adult sleeps 6.5 hours a day is enough, do not exceed 8 hours. 4, nutrition is balanced nutrition is the living organism constantly take food from the outside world, after absorption, digestion and metabolism, the use of food in the body needs substances to maintain the whole process of life activities. These substances necessary to maintain the normal growth and development of the body, metabolism, commonly known as “nutrients” or “nutrients”, its scientific name is “nutrients. Life is inseparable from nutrition, life needs nutrition, and a healthy life needs good nutrition, therefore, nutrition and health are extremely close. Nutrition can determine human thoughts and behaviors. People’s melancholy and happy, beautiful or ugly, young and aging, etc. are related to nutrition; people’s clear thinking and confusion, work satisfaction and distress, vitality or lethargy are also related to the daily nutrition. Therefore, we can say that the food you eat every day can determine whether you are relaxed and happy after a day’s work, or exhausted and depressed. Food is the key to people’s well-being, and the nutrition of the human body comes from the daily meals we provide. Therefore, a balanced and reasonable intake of various nutrients is necessary to maintain health, prevent disease and maintain full vitality.