Patient: Description (onset time, main symptoms, hospital visited, etc.): The child’s tongue was white and thick a few days ago, and he was fed Qishen Oral Liquid for more than a week. Should I continue to feed Qishen Oral Liquid? The pediatrics department of the Chinese hospital: There are many reasons for the thick white tongue coating. But the common reasons for children are: one, indigestion. Second, feeling dampness. Third, after taking antibiotics. Fourth, caused by certain diseases. If the yellow tongue, it means that there is still heat, and can be regulated with Chinese medicine and diet.