1, nourishing the kidney first, and cold should be used. Kidney is the motive force of human life and the "innate foundation" of human body. In winter, the yang of the human body is suppressed, and the physiological activities of the human body also converge. At this time, the kidney should not only prepare enough energy to maintain the heat expenditure in winter, but also store some energy for the coming year, so it is very important to tonify the kidney at this time. In diet, we should always pay attention to the nursed back to health of the kidneys, pay attention to the supplement of calories, eat more animal foods and beans, and supplement vitamins and inorganic salts. Dog meat, mutton, goose, duck, soybean, walnut, chestnut, fungus, sesame, sweet potato and radish are all suitable foods in winter.

2, warm food is hard to avoid, sticky and cold food is mostly damp, and eating such food in winter is easy to damage the spleen and stomach. Moreover, food overheating is easy to damage the esophagus, and after entering the stomach, it is easy to cause heat accumulation in the body and cause diseases; If the food is too cold, it will easily stimulate the blood vessels in the spleen and stomach and make the blood flow poor. However, the decrease of blood volume will seriously affect the blood circulation of other organs and endanger human health. Therefore, the diet in winter should be gentle.

3, increase bitterness and less salty, and the kidney function is high in winter. If you eat more salty food, your kidneys will be more prosperous, which will greatly hurt your heart, weaken your heart strength and affect your health. Therefore, eat less salty food in winter to prevent excessive kidney water; Eat more bitter food, nourish the heart and enhance kidney function. Commonly used foods are: betel nut, orange, pig liver, sheep liver, kohlrabi, lettuce, vinegar, tea and so on.