If your three-month-old baby has a thick white tongue, you can use the following methods to get rid of it: First of all, you should apply anti-food and stagnation medication to your baby to deal with it. A large part of the cause of the white tongue of a three-month-old baby is due to indigestion. Appropriate application of Baohe pill and other drugs to eliminate food and stagnation can effectively improve the tongue. Secondly, you can apply the method of massage to your baby to deal with it, you can press and rub the Panmen point and clear the blood of the large intestine. It is located in the palm of the hand at the big fish, parents or doctors can use the thumb point rubbing method to press the plate door point. The large intestine point is located at the radial edge of the baby’s index finger. Parents can perform a quick direct push from the root of the index finger to the tip of the finger to clear the large intestine. Applying the two techniques above can also effectively remove the thick white tongue of the baby.