Children’s yellow tongue is usually caused by dampness-heat, phlegm-heat, dietary stagnation, etc., can be adjusted by taking gentian diarrhea liver pill, orange pill, hedgehog pills and other drugs. 1. Dampness-heat: yellow tongue caused by dampness-heat of the liver and gallbladder (dampness-heat evils accumulated in the liver and gallbladder) can be treated by taking medicines such as Longdian Diarrhea Liver Pill, which can clear the liver and gallbladder, and benefit the effect of dampness-heat (promote the discharge of dampness-heat evils). For yellow tongue caused by gastrointestinal heat, you can take medicines such as Stomach Clearing Pills to remove dampness and heat from the gastrointestinal tract. 2. Phlegm-heat: yellow and thick tongue caused by phlegm-heat can take drugs such as Tangerine Red Pill to clear heat and resolve phlegm to stop cough (remove heat and resolve phlegm to stop cough). 3. Dietary stagnation: The yellow tongue coating caused by overeating and indigestion can be relieved by taking medicines such as Citrus Aurantium Pill. Specific drugs should be used under the guidance of a doctor to avoid the adverse effects of self-medication. Children should pay attention to a light diet, eat more fresh vegetables in moderation, avoid spicy stimulating and greasy food.