1 To improve immunity, we should first eat foods with high protein content, because many immune substances in human body are made of protein, so we should eat more foods with high protein content, such as lean meat, fish and shrimp, and some animal offal. , there are high-quality protein.

2, in addition to eggs and dairy products. These have a certain effect on improving human immunity.

3. In addition, some vitamins such as vitamin A, vitamin E and vitamin C can improve people's immunity, especially vitamin A, which is related to the immune function of human epithelial cells. You can often eat some animal liver and cod liver oil. When the carotene content is high, such as some red and yellow vegetables and vitamin C, you can also improve your immunity. You can eat some fresh vegetables and fruits to achieve these effects.