To improve immunity, the key is to do a good job of four points, eat well and eat scientifically, and ensure a balanced diet, which can largely maintain the normal operation of various functions of the body and help improve immunity. It is suggested that people with poor immunity may wish to make four more ones in their daily diet. ① A bowl of coarse grains such as oatmeal, corn, black rice and millet every day is rich in dietary fiber, B vitamins and multi-minerals. Eating porridge regularly is conducive to preventing diseases such as diabetes, hyperlipidemia and intestinal cancer, and effectively enhancing immunity. ② A high-dimensional fruit vitamin C every day can promote antibody production and reduce the risk of illness. Therefore, fruits rich in vitamin C are indispensable to improve immunity. Recommended food: citrus, kiwi, strawberry, guava, lemon, etc. ③ A dark vegetable, dark green vegetable and orange vegetable, is generally more nutritious and contains vitamin A, which can also promote antibody formation. Recommended food: broccoli, spinach, shepherd's purse, cabbage, carrot, pumpkin, etc. ④ A daily serving of high protein foods protein can provide energy for human body, which is also a great boost to improve immunity. Recommended food: Common foods such as chicken, fish, lean meat, eggs and beans are abundant in protein, which are all good choices. Second, good exercise is a good way to improve immunity. Research shows that proper exercise every day can promote metabolism, enhance cell activity and increase the number of immune cells. In addition, regular exercise is also conducive to speeding up blood circulation and greatly improving the efficiency of immune cells. Recommended exercise mode: be able to walk and try to walk; Do more jogging, playing Tai Ji Chuan, cycling and other low-intensity sports; You can climb mountains two or three times a week; Massage the abdomen once a day to dredge the blood in the meridians. Third, an optimistic attitude also plays a great role in improving immunity, even the simplest method. Because when a person is under great psychological pressure and feels depressed, pessimistic and negative for a long time, he will secrete a hormone component that can inhibit the immune system and promote the reduction of immunity. Therefore, it is not unreasonable to smile for ten years ~ how to maintain an optimistic attitude every day? Ensure adequate sleep; Establish good interpersonal relationships; Watch interesting books or movies; Cultivate hobbies, such as singing, photography, painting or a sport, to find satisfaction and accomplishment. Fourth, don't abuse antibiotics. Usually, if there is no need, you should take medicine as little as possible. It is easy to reduce immunity and resistance by taking medicine frequently. In particular, antibiotics should not be abused, otherwise it may lead to imbalance of bacterial flora and secondary infection, damage to human hearing, liver, kidney and other organs, and even allergic reactions and toxic reactions. From this point of view, it is not surprising that the immunity is reduced.