If you want to improve immunity you can try eating bananas, bananas contain vitamin B6 and tryptophan can improve the body’s immunity, papaya juice, tomatoes, carrots on the body to improve immunity also has certain benefits. Drinking tea for immunity improvement is also very helpful, recent studies have shown that drinking tea on the body immunity to improve a certain role, drinking tea itself is a way to keep the body healthy, immunity has an important role in the survival and development of the human body, low immunity will have a negative impact on life, learning, work and so on. People with low immunity should pay attention to diet, because nutrients can contribute to the coordinated development of the body, usually eat more protein-rich food, should eat more vegetables, fruits, and do not use too many antibiotics, so as not to produce a certain dependence on drugs and drug resistance, which affects the immunity of the body.