If the tongue is thin, it may be normal, or due to diet and other non-pathological factors, and usually requires no treatment. If accompanied by other symptoms, considered for indigestion, thrush and other pathological factors, you need to actively seek medical treatment, under the guidance of the doctor, medication, with daily care, to promote the recovery of the disease. First, non-pathological factors: 1, dietary factors: white tongue can be seen in food coloring, such as drinking milk after the tongue will appear obvious white, leading to the parents may mistakenly think that it is a pathological phenomenon, in fact, also belongs to the dyeing of the cause of the tongue, and other white drinks such as soybean milk, coconut milk and other white drinks will also have a white tongue performance, without special treatment; 2, other: children who did not brush the teeth of the night before, the following morning when just wake up, there will be a white tongue. The phenomenon of white tongue coating will occur when children wake up in the morning after a night of sleep, because the food debris in the mouth, plaque, etc., after a night of fermentation will lead to the appearance of white moss, which will disappear with the drinking of water, activities, and eating. It is recommended to develop a good habit of brushing your teeth in the morning and evening and rinsing your mouth after meals. Second, the pathological factors: 1, indigestion: the reason can be a child’s diet is not regular, hungry a full meal, meet love to eat a lot of food, do not love to eat eat very little. Another is to eat a lot of meat, eggs, bad digestion of food caused by dyspepsia occurs, in addition to the white tongue, will be accompanied by bad breath, dry stools, abdominal distension and other symptoms. Treatment should follow the doctor’s instructions to take bacillus subtilis bacillus granules, bifidobacteria lactobacillus triple live bacterial tablets and other probiotic drugs to improve the child’s gastrointestinal environment, daily attention to the dietary structure, to maintain a balanced nutritional profile, eat a light diet, etc.; 2, thrush: white tongue coating may also be thrush, thrush is a fungal infection, most commonly found in infants and young children, manifested in white flakes around the mouth, lips, white tongue coating, loss of appetite or crying after eating. Crying after eating or drinking. Mostly seen in children who have been taking antibiotics for a long time and have low immunity, you can follow the doctor’s instructions to use sodium bicarbonate solution to gargle, compound chlorhexidine gel topical application, etc., and discontinue unnecessary antibiotic drugs. In addition, from the perspective of traditional Chinese medicine, external cold and dampness, spleen deficiency and dampness can be caused by white tongue coating, accompanied by bitter mouth and dry throat, sore throat and other symptoms, diagnosed by a traditional Chinese medicine, need to be in the doctor’s instructions to take ginseng Baijiu Pills, ginseng spleen pills, Xiao Chaihu granules, Panlangen granules and other proprietary Chinese medicines for treatment.