There are many foods to improve immunity, mainly fish, red meat, eggs, milk, dates and other foods rich in protein and iron. In other words, the nutrition should be balanced and not partial eclipse. The other is to pay more attention to the rules of life and stay up late less. Ensure adequate sleep. Secondly, through proper physical exercise, it can also play a role in enhancing immunity.

1, eat more foods rich in vitamin C. Vitamin C is indispensable to human body, which can reduce capillary permeability, make it a barrier to prevent viruses from entering human tissues and protect organs.

Foods with high vitamin C content include green leafy vegetables, tomatoes, cauliflower, green peppers, oranges, strawberries, kiwifruit, watermelons and grapes. Vitamin C will be lost during heating, so these foods are best eaten raw.

2. Drinking chicken soup can prevent upper respiratory tract infectious diseases such as colds and flu. Chicken contains a variety of essential amino acids, which are rich in nutrition, especially cysteine, and can enhance human immunity. In addition, drinking chicken soup also has a positive effect on accelerating recovery after infection.

Garlic and onion are both hot foods, which have a good effect on strengthening physical fitness. Garlic has the function of sterilization and antivirus, and it is best to eat it raw, because it has the function of antivirus and improving immunity. Allicin, an effective component in garlic that can enhance immunity, will lose its efficacy during heating. Onion is also a natural bactericidal and antiviral food, which can effectively resist viruses and bacteria.

4. Zinc is an indispensable trace element in human body, and many enzymes in human body can only play a role together with zinc, which is very important for regulating immune function. In addition, it has another function, that is, anti-infection. Taking 50 ~ 100 mg of zinc every day can prevent influenza.

Seafood, lean meat, coarse grains and beans are all rich in zinc.