Babies with thick white tongue need to first determine the specific cause, and then choose the appropriate method to remove according to the cause, such as milk stains cleaning, thrush medication and indigestion treatment. 1. Milk stains: You can use a cotton swab or gauze with warm water to wipe the baby’s tongue and gums, taking care not to rub too hard or too long. 2. Thrush: the treatment of this disease needs to be under the guidance of a doctor, oral or topical application of antifungal drugs. For example, wipe with sodium bicarbonate solution or treat with mycobacterin. 3. indigestion: after diagnosis, you need to take the oral solution of stomach-healthy digestion under the guidance of the doctor to eliminate food. Usually eat a balanced diet, less oil, less salt, pay attention to not let the baby eat too much. The baby appeared tongue coating thick white if there is no crying, no refusal to eat and other abnormal behavior, do not need special treatment.