The cold climate in winter, the cold Qi stagnation collection, easy to cause the human body Qi, blood flow is not smooth, and many old diseases recur or aggravate. Especially those serious life-threatening diseases, such as stroke, cerebral hemorrhage, myocardial infarction, etc., not only a significantly higher incidence, but also a sharp increase in mortality. Therefore, winter health care should pay attention to prevent cold. In winter, the body’s Yang collection, Qi and blood tend to the inside, the skin is dense, water and moisture is not easy to drain from the body surface, but by the kidney, bladder gasification, a small part into fluid spread around the body, most of the water, the bladder into urine, invariably increased the burden on the kidneys, easy to lead to nephritis, enuresis, urinary incontinence, edema and other diseases. Therefore, winter health care should pay attention to the maintenance of the kidney. Diet should always pay attention to the kidney conditioning, pay attention to the calorie supplement, to eat more animal foods and legumes, supplement vitamins and inorganic salts. Dog meat, mutton, goose meat, duck meat, quail, donkey meat, soybeans, walnuts, chestnuts, fungus, sesame, sweet potatoes, radish, etc. are all suitable food in winter.