One should keep warm, that is, to increase the supply of heat, in a variety of food components, only protein, fat and carbon water compounds in the food. Therefore, the insulation of food is rich in protein as well. These foods are meat, eggs, fish and soy products.

Two to protect against the cold, the Chinese people generally to five grains for nourishment, five fruits for help, five animals for the benefit of five dishes for filling. So a person can ensure the demand for potassium, iron, sodium and other elements as long as they do not favor food.

Three to prevent dryness, dry winter, people often have a dry nose, dry tongue, dry skin and other symptoms, so it is necessary to supplement vitamin B2 and vitamin C in the diet. Vitamin B2 in grains and vegetables in the content is not much, more stored in the animal's liver, eggs, milk; vitamin C is mainly found in fresh vegetables and fruits.

Eat staple foods, appropriate lamb, quail and sea cucumbers. Protein, fat and carbohydrates are known as thermogenic nutrients. Therefore, in winter we need to increase the intake of staple foods and fats appropriately to ensure the supply of high-quality protein. Dog meat, mutton, beef, chicken, venison, shrimp, pigeon, quail, sea cucumber and other foods are rich in protein and fat, calorie production, Chinese medicine is considered beneficial to the kidney and yang, warming the middle and warming the lower part of the body, replenish the qi and blood function, the best effect of cold.