1, infants and young children are in the vigorous stage of growth and development, certain organs and tissues in the body is not yet mature, immune resistance is weak, both prone to disease, but also prone to adverse reactions to drugs, parents should bear in mind that children have been allergic to drugs, do not take such drugs again. 2, pediatric medication to strictly control the dose, the medication should not be too long, otherwise it will also increase the chances of adverse reactions. 3, newborns should not take pediatric antipyretic tablets, APC tablets. These drugs can cause neonatal cyanosis, anemia, blood in the stool, etc., should be strictly prohibited to take such drugs at home without permission. 4, when the child has a fever, parents should not just let it take antibiotics. Some antibiotics can inhibit the hematopoietic function of the bone marrow, which can cause aplastic anemia and granulocyte deficiency in children. The Chinese herbal medicine that has the effect of clearing heat and detoxifying can also get a better effect on fever. 5. Parents should not let their children take large amounts of vitamin-based nutritional drugs for a long time. The large doses of vitamin nutritional drugs for children can cause poisoning and should be taken according to medical advice.