The thick and greasy tongue is often mainly caused by phlegm and dampness, and the thick and greasy tongue is divided into white and yellow tongue. 1. The white and thick tongue is mostly caused by dampness in the stomach and fumigation of the evil qi, so you should eat some drugs to strengthen the spleen and transform dampness, commonly used drugs are Ping Gastric San, Bao He Wan, Penelope Four Elimination Pill, Ginseng and Bai Zhu San, Jian Spleen Wan, Gui Spleen Wan, Mu Xiang Shun Qi San. The white thick tongue coating is mostly accompanied by distention and fullness, belching and sour smell, poor appetite, dampness and stagnation of the spleen and stomach, so attention should be paid to eating less fatty, sweet, thick and greasy and cold and cold products, in principle, light, easy to digest food, while clinical medicine can also consume some drugs to help digestion, such as compound digestive enzymes, oral pepsin and probiotics, etc. 2, thick yellow tongue coating is mostly caused by heat and fire in the body, patients can take oral The patient can take a variety of drugs such as Huo Xiang Qing Stomach Tablets, Yi Qing Granules, Huang Lian Shang Qing Pills, Shuang Huang Lian Oral Liquid, Pu Di Lan Anti-inflammatory Oral Liquid, Compound Fishy Herb Tablets, Gentian Diarrhea Liver Pills, etc.