2. Mushrooms, Hericium erinaceus, Volvariella volvacea, Auricularia auricula, Tremella fuciformis, Cheyang, Lily, etc. Both have obvious effects of enhancing immunity.

3, garlic, onions: garlic and onions are hot foods, which have a good effect on improving 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. Papaya juice: Papaya juice contains some substances that can improve immunity and antioxidant capacity.

Extended data:

Immunity refers to the ability of the body to resist foreign invasion and maintain internal stability. The air is full of all kinds of microorganisms: bacteria, viruses, mycoplasma, chlamydia, fungi and so on. In the case of insufficient human immunity, everyone can become the pathogen of early shift.

Although the human body will produce corresponding antibodies against different pathogens to resist reinfection, antibodies are specific and time-limited. For example, streptococcus antibodies can only protect the body from reinfection by streptococcus for a short time, and they cannot resist infection by other viruses.

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