“Suwen – four qi tune Shen Da Lun” said: “winter March, this is called closed storage. Water ice ground chap, no disturbance to the sun. Lie down early and get up late, must wait for the sun; make Zhi if the ambush if anonymous, if there is a private intention, if there is virtue; go cold on the temperature, no leakage of the skin, so that the gas is urgently taken. This winter gas should be, the way to raise Tibetan also.” It is believed that all things in winter are in a closed state, people should go to bed early and get up late to avoid the cold and keep warm, but can not be too warm to make the skin sweating to protect Yang; in the spirit of the spirit should be guarded within the spirit to adapt to the winter of the way of nourishing the hidden. Everything is hidden, health should also comply with the laws of nature, winter should be in the “hidden” word on the work. The ability to maintain a good “hide” is not only related to the coming year whether there is energy, but also related to the life of a person’s life, so the winter to do “three big hide”: hide Yang, hide the essence and hide God. Hidden Yang is to reduce the loss of Yang, to avoid the cold on the temperature, do not overwork; to less sweat, do not exercise, do not needlessly lose Yang; clothes to wear warm. Hidden essence is to hide the essence of the five organs, especially kidney essence. Kidney essence is the root of no hidden essence. Therefore, in winter, we should abstain from sexual intercourse and avoid excessive alcohol and sex. In winter, the spleen and stomach have good absorption function, which is a good time to hide essence and a great time to store essence. Be careful not to lose weight in winter. Because winter is the main hidden season, should not violate the laws of nature. Chinese medicine believes that: “winter does not hide the essence of the spring will be sick temperature”, that is, if the winter is not well nourished “hidden”, the spring will be the lack of material basis, will reduce immunity, thus affecting the positive energy, so that the positive does not prevail over the evil, then the next spring will be prone to disease. Hidden God is to hide God’s energy. In winter, everything is closed, the human spirit should also be hidden. How to hide the divine energy? To do “three less and three more”. That is, less agitation, less noise, less anger; more sleep, more calm, more peace of mind. Eat more products to nourish the heart and tranquilize the mind, such as jujube, cinnamon meat, lily, lotus seed, millet, rice porridge and so on. Go to bed early and get up late to nourish your energy. The human body should also follow the characteristics of nature and appropriately reduce the activities, so as not to disturb the yang qi, loss of yin essence. Therefore, traditional health science suggests that people go to bed early and get up late in winter, which is conducive to the latent Yang Qi and the accumulation of Yin essence, in order to prepare for the growth of the next year. Modern medical research has also confirmed that in winter, early to bed and late to wake up can avoid low temperatures and cold air attack on the human body and cause respiratory diseases, but also to avoid the cold stimulation induced by cardiovascular disease. Sufficient sleep is also conducive to the body’s physical recovery and enhancement of immune function, which is conducive to the prevention of disease. Nourish the kidneys to protect against the cold, and prevent the loss of Yin essence. The motherland medicine believes that “the kidney main gas”, “the kidney main bone”, winter should raise the kidney to protect the cold, often knocking teeth, beneficial to the kidneys, the work of the firm kidney. Kidney “in the liquid for saliva”, winter to the tongue against the palate, to be full of saliva after the mouth, slowly swallow, can nourish the kidney essence. Kidney meridians in the foot, the heart of the foot Yongquan point for its main point, winter night before going to bed with hot water best soak your feet, and rub the heart of the foot. In winter, people are in a state of “yin and yang decline”, it is appropriate to “sunbathing” to help the kidney Yang Qi rise. Kidney and bladder, an organ, a viscera, each other, “liver and gallbladder”, bladder meridian line in the back, cold invasion, the brunt of the winter should pay attention to the back of the warmth, with a piece of cotton or woolen undershirt to protect the kidneys and yang. Ancient people believe that “the main sting of the kidney, sealing the book”, therefore, winter avoid excessive sexual intercourse, work, exercise, not too much sweating, to prevent the loss of kidney yin essence. Warmth and cold, prevent the dissipation of Yang Qi. Four Seasons News” said: “winter” should be served in wine tonic to welcome the Yang Qi. Bedtime, news should be slightly virtual rest, about so. If this persistent disease, must be discretionary, not allowed. Cotton clothes a little better late, is gradually thickened, not Winton, this will be resting on the wonderful carry on.” Qiu Shi Ji that the winter cold should be avoided on the warmth, but also to stop, “shall not be frequently baked with a large fire, particularly harmful to people. Hands and feet should be heart, can not fire hot hands, lead fire into the heart, make people irritable. It is better to live in a secret room, warm clothes and coverlets (qīnqin), adjust their diets, and moderate their cold and temperature. Clothes should be increased as the temperature decreases, it is appropriate to keep warm and close to the body, do not make the skin open sweat, to protect the Yang Qi from invasion and dissipation. From the point of view of modern medicine, the winter climate is cold, most likely to cause cold evidence, such as room temperature is too low, thin clothing or anemia, nutritional disorders, hormonal imbalance in the body, in the cold will appear back pain, insomnia, arthralgia, nocturia and other diseases. The northern sky whistles in winter, easily causing acute attacks of chronic bronchitis. Cold snap more people nervous, winter depression, make people weak, depressed, will also induce myocardial infarction attack, emphysema, rheumatism, chronic hepatitis and other diseases. As the saying goes, “cold from the feet”. Chinese medicine believes that the human body’s head, chest, feet of the three parts of the most vulnerable to cold. Feet from the heart is the furthest, the blood supply is slow and less, the feet of the lowest skin temperature. Chinese medicine believes that the foot cold, is bound to affect the internal organs, can lead to diarrhea, menstrual disorders, impotence, back and leg pain and other diseases. Therefore, nine cold feet warmth should be strengthened. Winter indoor work and life more time, indoor insulation is very important, not only to prevent the indoor temperature is too high, but also to prevent the room temperature is too low, and do not forget to open the windows regularly. Do not sleep with your head covered, so as not to lack of oxygen and cause chest tightness and shortness of breath. Do not hold urine at night, because the winter night is longer, long time to hold urine, will make the toxic substances accumulate and cause cystitis, urethritis and so on.