Tongue coating is a barometer reflecting the baby’s digestive function, the normal color of tongue coating is light pink, the surface is fresh, smooth, not fat. If the baby’s tongue coating is white, it means that the baby may digestive function If this layer of white is a thin layer, as if growing in the tongue, accompanied by dry stools, it means that the baby’s body “on fire”, give the baby more to drink warm boiled water, after a few days to cope with the elimination of their own. If the baby’s tongue is pale white, and accompanied by cold limbs, cold hands and feet and other phenomena, indicating that the baby’s body cold, should pay attention to the baby to do a good job of keeping warm, feeding warm food. If the baby’s tongue moss surface thick, like a layer of paste, and the color of white, with teeth or with a clean fingernail to scrape the surface of the tongue moss, will leave a mark, then the baby’s intestines and stomach is not comfortable, may be indigestion or bloating. If the surface on the baby’s tongue is cloudy and sunburnt, it may be caused by the baby’s stomach catching a cold, or too much emotional stress or poor sleep. If the baby’s tongue is white, change the scientific way of feeding, eat small meals, avoid overeating, should also pay attention to the baby’s oral hygiene, the baby after eating let him rinse his mouth in a timely manner, as long as the strengthening of the daily care will be relieved.