Babies born prematurely are prone to immature liver and gallbladder development, calcium deficiency, anemia, and stunted growth, so there are medications to take home with them when they are discharged from the hospital. Different drugs, the use of the time method also varies. 1, vitamin D preparations Vitamin AD mixed preparations, but also simple vitamin D. Premature babies are prone to vitamin AD deficiency, vitamin A can enhance the baby’s immunity, vitamin D to promote the absorption of calcium in breast milk and its deposition in the bones, to promote bone growth, vitamin AD can be fed to the child together with milk. 2, the use of calcium and iron The growth and development of children can not be separated from iron and calcium, after birth weight less than 1500g baby, more or less anemic, and anemia will affect the growth and intellectual development of children. It should be noted that calcium and iron cannot be taken together with milk, they must be fed to the child in the middle of the two milk, and calcium and iron cannot be taken together, so parents need to arrange the time reasonably. 3, probiotics The main role of probiotics is to regulate the growth of normal intestinal flora, can regulate the intestinal function of preterm infants, improve constipation, too many stools and other symptoms, can be fed to children together with milk. It should be noted that because probiotics are live bacteria, so it must be brewed with water below 40 ℃, and need to be put in the refrigerator.