First, why do you want to exercise? First of all, fitness is to promote health and achieve the purpose of preventing diseases and prolonging life. If you value your health, please read on. The purpose of health preservation is to prolong life and be healthy and disease-free. People should keep in good health as long as they have a breath. From the first pregnancy to infants, young children, young adults and the elderly, according to their different situations, the requirements for keeping in good health are different. According to [[Neijing]], the normal life span of the world should reach 100 years, which is basically consistent with the modern understanding of human life span, but so far only a few longevity stars can achieve it. At present, the country with the longest life expectancy in the world can't be over 80 years old, which shows that health preservation is indeed a major issue facing all mankind. For young people, health depends mainly on themselves, but they also need the guidance and care of their parents. This period is characterized by rapid growth, substantial increase in intelligence and physical strength, and gradual maturity of fertility, which is the most significant period of mental and physical changes. Mentally, be kind to him, be loving, and guide him to reason and distinguish between good and evil. Poor teaching will lead to his withdrawn personality, strange behavior and even harm to society. Physically, advocate omnivory, self-care, diligent hands and feet, fully ensure the nutritional needs of its growth and development, and avoid stunting and dysplasia; In particular, we should pay attention to let them participate in housework and social welfare activities within their power, be enthusiastic about public welfare, be honest, avoid developing what they want because of excessive indulgence, and never take into account the bad habits of others. Second, the benefits of winter health care are cold, and at this time many people may have more or less symptoms similar to sucrose because of weather factors. Therefore, we should do a good job in winter health care and prevent some diseases. In daily life, you can play a good health care role by cold noodles, warm teeth, hot feet and so on. Cold noodles: wash your face with cold water, and beauty care means washing your face with cold water. Cold water refers to water with a water temperature of about 20℃. Under normal circumstances, the tap water from the faucet is basically cold water at around 20℃, which can be directly used to wash your face. Traditional medicine believes that the six yang meridians of the human body are all connected in the head and face, so it is called "the head is the meeting of all yang" and "the wisdom house". Modern medicine believes that the brain in the skull is the center of the human neuroendocrine system and plays a role in regulating and managing various systems and organs of the whole body. Therefore, washing your face with cold water is beneficial from both Chinese and western medicine. Therefore, in addition to preventing diseases, it also has a certain beauty effect. Hot feet: washing feet with hot water is better than taking medicine "means soaking feet and washing feet with hot water every night before going to bed." Hot water refers to water with a water temperature of 45℃ ~ 50℃. Traditionally, the foot is the intersection of yang meridian and yin meridian, and there are many acupoints, which play an important role in the whole body's qi and blood operation. From modern medicine, the foot is the end of the limb, which is in the lowest position of the human body, farthest from the heart and has poor blood circulation. The application of hot water to soak and wash feet can promote the circulation of qi and blood in the human body from the perspective of traditional Chinese medicine, and has the functions of relaxing muscles and tendons and nourishing the internal organs; From the point of view of western medicine, it can promote the whole body blood circulation, so as to enhance the physiological functions of various organs of the body and restore fatigue. III. Health preserving methods 1. Eat as many nourishing and moistening foods as possible, such as pears, which have the effect of nourishing yin and moistening dryness. There are two ways to eat pears for middle-aged and elderly people with stomach cold. One is to wash pears with rock sugar, wash them in the middle, put three to five pieces of rock sugar in them and steam them in a pot. It has the function of nourishing yin and moistening dryness, and can eliminate the discomfort caused by autumn and winter. In winter, the skin becomes thinner and the substances secreted by sebaceous glands decrease, so the skin is dry and itchy. Eating rock sugar pears can improve. The second folk prescription is pepper pear. Some friends cough easily in winter. Cut the pear in the middle, sprinkle some pepper on the pear, put it in a steamer, steam for ten minutes after the water boils, then remove the pepper and eat the pear. If you take it for a week or so, your cough will be treated or even cured. Therefore, the first fruit to eat in winter is pear. As we all know, rock sugar is also a cold food in winter. Because rock candy is a crystal copy of sugar. Natural rock candy has white, yellow, light gray and other colors, so we will find all kinds of colored rock candy with food pigments in the market. What effect does eating rock sugar have on health? What benefits does eating rock sugar have to the body? Rock sugar is mainly composed of sucrose, which can be decomposed into glucose and fructose. Nature: sweet taste, flat nature, spleen and lung meridians entered. The role of rock sugar: rock sugar can tonify middle energizer, nourish stomach, quench thirst and resolve phlegm. It is generally believed that rock sugar is the most nourishing. Therefore, when taking tonics and tonics, rock sugar is better than soft sugar. For example, when cooking all kinds of cream tonics, white fungus and longan soup, rock sugar is often used to take its nourishing effect. Although rock candy is very sweet, it is relatively peaceful in nature, so it is not advisable to keep damp evil for a long time and produce phlegm and heat. Without brown sugar, it can cause warmth. Medicinal value of rock candy: Chinese medicine believes that moistening lung and relieving cough, resolving phlegm and removing fire. It is also an auxiliary material for brewing medicinal liquor and stewing tonic. 1, the function of rock sugar: tonify middle energizer, moisten stomach and lungs, relieve cough and resolve phlegm. 2. Taste: sweet, flat and non-toxic. Meridian tropism: entering the lung and spleen. 3, efficacy: nourishing yin and promoting fluid production, moistening the lungs and relieving cough. 4, indications: dry cough in the lungs, dry cough without sputum, blood in sputum. Rock candy, like brown sugar, white sugar and brown sugar, is made of sucrose. Because the purity of rock sugar is the highest in the production process, it will not be sour like other sugars, so everyone thinks that rock sugar is better, but because of the highest purity, there are relatively few nutrients called impurities. Rock sugar is better than white sugar: the reason is that rock sugar is made of white sugar after dissolution, filtration, boiling and crystallization. Its purity is high. White sugar is purified directly from sugarcane juice or with raw sugar. Furthermore, taking rock sugar water for a long time can effectively reduce fire and blood pressure, and provide the human body with needed glucose components. The difference between rock sugar and white sugar is that one is crystal and the other is fine granular wet powder. The sugar content of the two is the same, there is nothing good or bad, just a matter of taste. Generally healthy people eat sugar properly, which is good for their health. People with diabetes should try to eat less or not. Rock candy can be used as candy or snack. The most famous snack is Sugar-Coated Berry, which is made by wrapping plums or hawthorn with rock sugar. But Sugar-Coated Berry's sugar is just boiled sugar, which is not as high as real rock sugar. Rock sugar can be used to make soup, stew or dessert; The famous "rock sugar Xianglian" is a delicacy of Hunan cuisine in the eight major cuisines. There are also dishes such as "rock sugar Sydney" and "rock sugar bird's nest". Sugar is easy to produce mites. Don't eat raw sugar that has been stored for a long time, and eat it after boiling. Rock candy can be taken by decoction with meals, or made into pills and ointments. Bian Xiao Twitter: Many women like to eat rock candy, because it is pure in quality and not easy to deteriorate, so it is very likely to be used as food. Generally speaking, it can be used as a sweetener for candy and advanced food, but Bian Xiao suggested that foods made of rock sugar should be eaten less at night, especially for diabetics.