1. Diet advocates warming up the diet in winter. Pay attention to warm food, such as mutton, radish, walnuts, chestnuts and so on. Especially the stewed mutton soup with radish. And pay attention to dryness in winter, and the food should be light and salty. If the food is too salty, it will increase the burden on the kidneys and fail to achieve the purpose of health preservation. Drink more warm water to avoid dry mouth and promote kidney metabolism. 2. Spiritual and emotional peace. The spirit of winter should be hidden inside. Usually, we should avoid emotional ups and downs, learn to adjust emotions, and maintain inner peace and stability. If you are nervous, depressed or anxious, you should adjust it in time. Walking in the sun in winter can also relieve stress. 3. Work and rest rules Go to bed early and get up late in winter to ensure adequate sleep time. It is not advisable to stay up late. And do a good job of keeping warm in winter to prevent the outside cold from invading the human body. 4. Proper exercise Although the weather is cold in winter, it is not advisable to stay indoors all the time. You should go out for a walk every day, or you can exercise properly to speed up your metabolism.