Winter is Yin, so you should pay attention to “hiding” and protecting Yin essence. Therefore, both to keep warm to avoid the cold attack, and avoid too warm and sweaty. The snow is a good time to take tonic, but do not overdo it. Especially the climate of Zhuhai is relatively warm, although to the snow, but most of the time the day is still warm, if like the north as big fish and meat, too fatty is easy to hurt the stomach gas. Therefore, the tonic should pay attention to the appetite and spleen. Such as cabbage, radish, etc., is good for gas and stagnation. Winter diet is not sticky, cold and cold. Professor Liu Zhilong suggests eating hot porridge for breakfast to nourish stomach qi. Although sweating and urination are reduced in winter, the cells of the brain and body organs still need water nourishment to ensure normal metabolism. He recommends drinking water several times in small sips, which is more conducive to body absorption. In addition to dietary supplements, medication, exercise and living should also pay attention to the principle of moderation. Professor Liu Zhilong said that too much food supplementation will lead to excess nutrition, too much rest and relaxation will lead to dysfunctions, and too much medicinal supplementation will lead to yin and yang bias, so that the body’s metabolism will become dysfunctional. Winter is easy to make people physically and mentally in a depressed state. The best way to change the depressed mood is to be active. Jogging, dancing, skating, playing ball, etc., are all good medicines to eliminate winter boredom and maintain the spirit. In terms of living, you should go to bed early and get up late, sleep early to nourish Yang Qi and get up late to solidify Yin essence. Especially in the south, it is important to keep the lungs clean and sober. Many people close their doors and windows tightly because they are afraid of the cold, making the indoor air dirty. Therefore, be sure to open the windows and doors every day for ventilation to keep the air clean.