Supplementation of vitamin A deficiency in babies is carried out in the following two ways: a. Dietary supplementation, the diet can be orally rich in vitamin A animal foods, such as animal liver or dark vegetables containing more carotenoids, such as spinach, broccoli, etc., carrots and other such foods, can also be supplemented with foods fortified with vitamin A, such as formula emphasizing the content of vitamin A, or supplemental foods with Vitamin A is more can be taken orally. Second, according to the child’s actual vitamin A deficiency, according to the child’s age and weight characteristics, give supplemental vitamin A preparations for treatment, food and medicine together for supplementation, can be very good treatment.