You can clean the tongue by giving your baby warm water, using gloves and gauze. 1. Drink warm water: a thick tongue may be due to food buildup, after each baby’s milk or complementary food, parents can feed the baby some warm water to rinse the mouth, which can effectively flush the food buildup on the tongue. 2. Use gloves: Parents can wear silicone brush teeth sets through the fingers to clean the baby’s mouth and tongue. Note that because the baby’s tongue is more delicate, pay attention to the strength when cleaning the baby to avoid causing damage to the baby’s tongue and gums. 3. gauze: in daily life after baby eating, you can use sterile gauze soaked in warm water, wipe the baby’s mouth, can effectively clean up the baby’s tongue as well as oral hygiene, but do not wipe the root of the tongue, so as not to cause the baby nausea, vomiting. Baby oral problems, should seek medical treatment in a timely manner to avoid affecting the teeth, oral development.