Children with thick white tongue is due to improper cleansing, decreased digestive function and other factors, need to be based on these reasons, using medication, adjusting diet and lifestyle habits to regulate, can improve this phenomenon. 1. Causes (1) Improper cleaning: some children do not rinse their mouths after eating and do not brush their teeth before going to bed, resulting in a large amount of oral secretions accumulating on the tongue, forming a thick white tongue. (2) Decrease in digestive function: lack of exercise can slow down gastrointestinal peristalsis, which can easily lead to accumulation of food, and may also cause the phenomenon of white tongue coating. 2. Solutions (1) Adjust diet: You need to develop good eating habits and eat more light food. (2) Adjustment of living habits: It is also necessary to participate in some outdoor activities, avoid sitting for a long time after meals, and walk appropriately to promote digestion. Pay attention to oral hygiene. (3) medication: such as the decline in digestive function yin’qi can take bacillus subtilis dictyostelium granules and other drugs for treatment, in order to improve the phenomenon of thick white tongue. Children’s tongue thick white may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. All of the above medications should be used under the guidance of a doctor.