Children with white tongue may be normal, or may be caused by disease factors, such as indigestion, spleen and stomach weakness, respiratory diseases, etc. The specific causes and treatments are as follows: a. Normal performance If the child’s tongue is white, but for a thin layer, belongs to the thin white moss, is a normal children’s tongue. Usually it is due to milk scale caused by eating milk, or improper diet causing residue on the tongue. In this case, the child’s mental state, diet structure and general condition is good, can not be treated. Second, disease factors 1, indigestion: If the child’s tongue is thick, accompanied by bad breath, undigested food in the stool, etc., consider indigestion, possibly related to the accumulation of food. It is recommended to eat lightly, drink more water appropriately, and apply Chinese medicines such as Baohe Wan and Gastrointestinal Oral Liquid, or take probiotics to regulate the intestinal microenvironment; 2, weakness of the spleen and stomach: if the child is accompanied by mental inactivity and sleep, especially easy to wake up at night and sweating, it is usually considered to be caused by weakness of the spleen and stomach. You can use spleen pill treatment, also can eat the appropriate amount of good food for the spleen and stomach, such as poria, yam, etc.; 3, respiratory diseases: the early stage of disease or recovery period children will also appear white moss, such as upper respiratory tract infections, pneumonia early, etc., need to first targeted treatment of respiratory diseases, the symptoms of white tongue can gradually improve.