During fever, if you want to strengthen the immune system, you can drink more water and eat more fruits and vegetables rich in vitamin C, which is good for strengthening the body’s immune system. It can help the body to resist foreign viruses or bacteria, and is very good food, especially apples, oranges, grapefruit can be relatively more eaten, tomatoes can also. In addition, during the period when there is no fever, do more sports, for the enhancement of immunity effect is also very good, such as jogging, swimming or hiking, are very good physical exercise. In addition, it is also necessary to take medication to enhance immunity. You can take Yupingfeng granules during fever to enhance immunity. Yupingfeng granules are especially effective for people with weak sweating and low immunity, and it is a kind of proprietary drug without any side effects. You can also take Pitomod Dispersible Tablets, which is very effective in enhancing the active immunity of human body, and needs to be taken continuously for more than 2 months for the effect to be more obvious.