Normal one and a half year old babies have thick tongue coating, including the following two situations: First, indigestion, you can take oral probiotics to help digestion. Second, there may be infected with oral candida, also known as medical thrush, which is not only manifested in the thick white tongue coating, but also a white pseudomembrane on the oral mucosa, this pseudomembrane is easy to peel off, peeling off the oral mucosa after a subtle break. In the treatment of anti-fungal treatment, the current treatment recommends the application of mycobacteria treatment. First of all, use two pieces of mycotoxin tablets into powder and add 20 ml of glycerin to mix, for oral application, 3-5 times a day, once before bedtime, in the course of treatment should not be less than two weeks. Pay attention to the disappearance of symptoms to continue to use drugs, to prevent the course of treatment not to make the disease repeated. Secondly, it can also be combined with sodium bicarbonate treatment, sodium bicarbonate diluted into 1.4% liquid, oral care every day, to maintain the local alkaline environment of the mouth, thus inhibiting the growth of fungi. In addition, in the daily care of children, special attention should be paid to the sterilization of milk utensils.