After the beginning of winter, the weather turned cold, how to enhance the resistance to cold? nothing more than to increase the body's heat production, heat loss, its methods are related to clothing, food and clothing. Adjusting the diet to increase calories is one of the ways. In a cold environment, proper intake of high-calorie foods can promote the catabolism of sugar, fat, and protein. In the winter diet, it is appropriate to use a diet that has a good yin and yang and a high calorie content, and eat more fresh fruits and vegetables to avoid vitamin and mineral deficiencies. Carbohydrates and fats are all nutrients that produce heat. The carbohydrates in food are mainly from food and potatoes, and cereals cannot be reduced. Adults need 400-500 grams daily. Warming winter: Eat less raw cold, but not hot, targeted consumption of some yin yang, a higher calorie diet is appropriate, but also eat more fresh vegetables to avoid the lack of vitamins, such as: beef and mutton, Wuji, squid, drink milk, milk, eat carrots, vegetables, tofu, fungus and so on.