1. Keeping your legs and feet warm is the key to staying healthy in the cold. In the north, the great cold is the coldest time of the year. In the south, although the coldest slight cold has passed, the temperature of the severe cold is still very low, and you may get sick if you are not careful. Therefore, it is very important to prevent cold invasion, especially knees and feet. In pursuit of beauty, many young people often wear short skirts to walk in the cold wind in winter. Although beautiful, their knees freeze easily. Experts say that the knee joint itself is a lacunar joint, which blows directly against the wind and is easy to get into when it is cold. Therefore, when the weather is cold, you should not only wear thick clothes, but also wear knee pads for extra protection.

2. complementary food should be gradually reduced. The amount of tonic for a bad cold should be gradually reduced, and more ascending food should be added to adapt to the rise of everything in spring. Due to the cold winter, human digestive function is active, gastric juice secretion increases, acidity increases, and food intake increases. Therefore, protein can be appropriately added to people's diet. Amino acids help to resist the cold. Animal viscera, lean meat, eggs, fish, etc. It contains a lot of amino acids, which is beneficial to people in cold winter. At the same time, to ensure the supply of vitamins, especially vitamin C, the more suitable foods are carrots, potatoes, spinach and other fruits. Calcium supplementation can also avoid cardiovascular and muscle damage. Eating more nuts helps people keep out the cold.

3. Keep exercising. Great cold is easy to be cold and hot because of the changeable weather, especially the large temperature difference between day and night. So it can increase immunity, and exercise is a good choice. The colder the weather, the more you should keep exercising, let your body adapt to the cold and help fight all kinds of bacteria and viruses. Therefore, it is recommended to skip rope, run or do yoga in winter, but remember to warm up before exercise.

4. Protect against wind and frost, keep out the cold and keep warm. Change clothes at any time with the change of temperature, and wear masks, hats and scarves when going out. Wash your face often with cold water and soak your feet with hot water every day to prevent respiratory diseases such as colds. In addition, we should also pay attention to the treatment of chronic diseases such as hypertension, coronary heart disease and diabetes.