I. Health and sub-health 1, the concept of health: the World Health Organization (WHO) on the concept of health and a new development, it pointed out that: the so-called health is in a good state physically, mentally, social adaptation, rather than simply refers to disease or infirmity. In other words, it involves not only the psychological, but also the social and moral aspects of people. Physical health, mental health, and moral health, all three aspects constitute the overall concept of health. 2, the performance of health: (1) physiological health: refers to a person’s body can resist general colds and infectious diseases, moderate weight, proportionate body shape, bright eyes, shiny hair, muscle skin elasticity, good sleep, etc.. Physiological health is the basic guarantee for people to live and work normally, without this, we can’t talk about health, let alone longevity. (2) Mental health: It refers to a good state of mental, emotional and consciousness, including normal intellectual development, stable and optimistic emotions, strong will, coordinated behavior, high energy, strong resilience, ability to adapt to the environment, ability to cope with the pressure of daily life and work with ease, often maintain abundant energy, willing to take responsibility, coordinated interpersonal relationships, mental age in line with the physiological age, and able to Future-oriented. Mental health is as important as physical health. According to medical experts, a good state of mind can promote the body to secrete more beneficial hormones, which can enhance the body’s ability to resist diseases and promote a long and healthy life. (3) Moral health: It is also one of the elements of the new concept of health. It mainly refers to the ability to discipline oneself according to the social moral code of conduct and to govern one’s thoughts and behavior, and to have the concept and ability to distinguish between truth and falsehood, good and evil, beauty and ugliness, honor and shame. 3, the concept of subhealth: the World Health Organization will not have organic pathology, but some functional changes in the body called “third state”, China is called “subhealthy state”. Sub-health means non-disease non-healthy state, which is a kind of secondary health state (sub means secondary), is the state between health and disease, so there are also “secondary health”, “third state”, “intermediate state Therefore, it is also called “sub-healthy”, “third state”, “intermediate state”, “free state”, “gray state”, and so on. It is a state of low physiological function between disease and health, and sub-healthy state is also a pre-sign of many diseases, such as hepatitis, cardiovascular diseases, metabolic diseases and so on. Sub-healthy people generally have six high and one low, namely high load (mental and physical), high blood pressure, high blood lipid, high blood sugar, high weight, and low immune function. 2.Cure and health: 1.Cure: the human body is sick and then treated. 2, health: regulating life, maintaining health and achieve longevity. Including: conditioning, regimen, supplementation and maintenance. How to maintain good health: 1. Proper exercise: Labor does not mean exercise. Appropriate exercise: should be low intensity, uninterrupted, rhythmic, and long duration. Heart rate = (220 – age) × (60 to 80%) 2. Adequate sleep: ① Rest should be regular. ② To have enough sleep time: DD 7 hours at night, DD 15 minutes to 1 hour during the day. ③ bed soft and hard suitable. ④It is best to sleep on the right side. ⑤ It is best not to eat within 2 hours before bedtime. If you are hungry, you can drink a glass of milk, yogurt or fruit. 3, a positive outlook on life: everything should be positive, should not be anxious. The reason why people are unhappy is because they always think about what they don’t have; the reason why people are happy is because they always think about what they have; psychology affects physiology, physiology affects psychology. Zen: “Eat when you should eat, sleep when you should sleep.” Put your mind down and don’t do things with baggage. There are growing parents, and there are growing families. Bill. Gates: “Give a child a meal and he will grow up; give a child a good idea and he will be great.” Have a learning mindset. “An empty cup mentality.” “Without knowledge you should have common sense, and without common sense you should be in the classroom.” “Find the right partner to be happy for life, find the right teacher to be wise for life; find the right environment to be happy for life, find the right career to be successful for life.” “Be honest and work honestly.” Asking others = hard work Asking yourself = happiness Everything that happens is good and it all helps me. 4. Reasonable meals: (1) Three levels of eating: ① Food for survival ② Food for mouth: Modern people only eat what they love, not what they should eat. ③Food for health ⑵Reasonable diet recipe: Reasonable diet with a smile, one, two, three, four, five, six, seven; one cup of milk, two taels of rice, three parts of protein, four attention; five hundred grams of vegetables, six grams of salt, seven cups of boiling water do not forget. One cup of milk: drink a glass of milk every day. ②Two taels of rice: every meal should be the main food. ③Three protein: meat should account for 30%, such as two or two lean meat, or an egg, two or two fish, two soybean products. ④Four attention: Meals should pay attention to four things: not sweet and not salty, coarse and fine, four, five, six meals, seven or eight minutes full. ⑤ Five hundred grams of vegetables: more than one pound of vegetables and fruits should be eaten every day. ⑥Six grams of salt: Eat up to six grams of salt every day. ⑦ seven glasses of boiled water: drink more plain water every day. The best four drinking times per day: after waking up in the morning, around 10 o’clock, around 16 o’clock, and before going to bed. (3) Balanced nutrients: the seven major nutrients of the human body: protein, fat, carbohydrates, vitamins, trace elements, dietary fiber and water. (4) Thieves of nutrition: stress, drinking, smoking, and drug abuse.