1 In winter, nutrition should focus on increasing heat energy, and foods rich in carbohydrates and fats and high-quality protein, such as lean meat, eggs, fish, milk, beans and their products, can be properly ingested. The protein contained in these foods is not only convenient for human digestion and absorption, but also rich in essential amino acids, with high nutritional value, which can increase human cold resistance and disease resistance.

2. Eat more foods rich in vitamins. Often after a winter, the human body appears vitamin deficiency, such as vitamin C deficiency, which causes many people to have symptoms such as oral ulcer, root swelling and pain, bleeding and constipation. The prevention and control methods should first expand the food sources, and the green leafy vegetables are relatively reduced in winter. You can eat some Chinese cabbage, sweet potato, potato, cabbage, radish, white radish, carrot, soybean sprouts, mung bean sprouts, rape, etc. These vegetables are rich in vitamins. As long as the varieties are changed frequently and matched reasonably, the vitamin needs of the human body can still be supplemented.

3. The cold in winter affects the nutritional metabolism of the human body, and often lacks elements such as potassium, calcium, sodium and iron. In addition, the amount of the above inorganic salts discharged with urine increases in winter. Therefore, you should eat more foods rich in calcium, iron, sodium and potassium, such as dried shrimps, dried shrimps skin, sesame paste, pork liver and bananas.