Deficiency. In order to enhance immunity, food should be based on high-quality protein to enhance resistance. At the same time, minerals and vitamins should be supplemented, as well as appropriate supplementation of food containing high calories. In the choice of food, you can consider adding some beef, fish, chicken and other meat foods or soy products. Food in the preparation method to take more stewing, frying, burning and other methods, more supplement some soup, in order to slow down the dry climate on the child's adverse effects. Of course, fresh fruits and vegetables should never be neglected.