By eating certain foods or drugs can increase the immunity of the human body, can improve the immunity of the human body food has the following major categories: 1, can eat fruits and vegetables rich in vitamins, trace elements. 2, in the diet structure try to avoid more intake of refined rice, noodles and staple foods, to carry out the supplement and intake of grains and cereals. 3, in the diet structure try to do low salt, low fat, low sugar, try not to eat animal Viscera, you can increase the intake of animal protein, such as fish, shrimp, crab and other seafood, but avoid eating fatty meat. In adjusting the medication can take certain western medicine, such as the good Cun Tablet 21, gold vitamin to supplement the body lack of vitamins and trace elements, so as to improve the body’s immunity. Chinese medicine, such as Cordyceps sinensis, also has certain immunity-boosting effects.