According to the 10th edition of Diagnostics of Traditional Chinese Medicine, dry mouth and tongue with yellowish-thick tongue coating is mainly due to dampness-heat or phlegm-heat, or food stagnation (accumulation of food in the stomach due to indigestion) and putrefaction. San Ren Tang, Huang Lian Wen Bile Tang and Bao He Wan can be taken to regulate the condition. 1. San Ren Tang (三仁汤) is composed of almonds, flying talcum, and white through grass. It has the efficacy of declaring smooth qi (declaring smooth to the movement of human body qi), clearing heat and inducing dampness, etc. It is the main treatment for feeling dampness and heat, Wei Yang (yang qi on the surface of the muscle) being curbed, and headache and coldness due to the disorder of the spleen and stomach (fear of cold), heavy pain, tiredness of the limbs, yellowish color, stuffiness in the chest and no hunger, and body heat in the afternoon. 2. Huanglian Warm Bile Soup: composed of Huanglian, Bamboo Root, Citrus aurantium and so on. Its main effects include clearing phlegm and heat, harmonizing the middle Jiao to stabilize the heart and mind, and treating insomnia, chest tightness and epigastric constipation, belching (hiccups), accompanied by heaviness in the head and dizziness, and so on. 3. Boho Pill: It is composed of hawthorn, shenqiu and hemixia. Its main effects include eliminating food stagnation (a method of removing food stagnation and restoring the function of the spleen and stomach), regulating qi and harmonizing the stomach (a method of treating gastric qi stagnation with prescriptions that have the effect of regulating qi and regulating stagnation, and harmonizing the stomach and relaxing the middle). It is used for treating epigastric (abdominal) fullness (stomach distension and discomfort) and distension, belching and swallowing of acid (burping with foul taste and acid reflux in the mouth), vomiting and vomiting of bad food, or diarrhea and stools. If the symptoms, should consult a doctor in time, according to the patient’s individual constitution and different conditions, the specific prescription medication needs to be based on traditional Chinese medicine doctors to identify and treat the flexible addition and subtraction, do not blindly use personal medicine.