If the baby has a big internal fire, it often manifests as dry mouth, red tongue, yellow tongue coating, as well as dry stools, yellow urine, bloating, anorexia and so on. The way to regulate the baby’s internal fire is as follows: First, if the baby is drinking breast milk, the mother should eat less high-fat and spicy food, because these foods will cause the baby to catch fire. Second, drink milk powder baby appropriate to reduce the concentration of milk powder, more to the baby to drink water, follow the method of many times less drink. Third, the baby has added complementary foods to eat more vegetables, fruits in moderation, try to eat seasonal fruits. Fourth, less to the baby to eat greasy and cold food, it is best not to eat easy to cause fire snacks, such as puffed food, chocolate and so on. Fifth, give the baby supplement probiotics, such as bifidobacteria or mamma love, etc., to maintain intestinal health.