After winter, the weather is getting colder and colder, and it is recommended to keep out the cold in winter. 1. Kelp and laver We can often eat kelp and laver in our daily life, which can effectively promote the secretion of thyroxine, thus generating heat to achieve the purpose of cold resistance. This is because there is a thyroxine in the thyroid secretion of human body, which can accelerate the oxidation of many tissues and cells in the body, thereby increasing the body's heat production capacity, enhancing the basal metabolic rate, and also accelerating the blood circulation of the skin and resisting cold. 2. Beef is warm and sweet, and rich in vitamin A, vitamin B, protein, fat, nicotinic acid and inorganic salts. From the perspective of traditional Chinese medicine, beef has a very good function of invigorating the spleen and stomach and strengthening the bones and muscles, so we can eat beef often, which is beneficial to our health. If beef is made into stew with Radix Codonopsis and Radix Astragali, it will not only be sweet and delicious, but also make people's ability to keep out the cold. 3. Walnut Walnut is not only rich in unsaturated fatty acids, but also rich in phospholipids and vitamin E, which can not only promote heart health, but also help to resist cold. 4, animal liver, carrot animal liver, carrot can increase the anti-insomnia ability of human body. Because cold can cause obvious changes in human vitamin metabolism, proper intake of vitamin A and vitamin C in life can effectively resist cold and keep warm. Vitamin A mainly comes from animal liver and carrots, while vitamin C mainly comes from fresh fruits and vegetables!