Long-term yellow and greasy tongue coating is mostly related to dampness and heat or gastrointestinal stagnation, etc. You can follow the doctor’s instructions to take dampness and heat tablets, gentian liver pills, eliminating stagnation tablets and other proprietary Chinese medicines to regulate. 1. Damp-Heat Tablet is composed of Rhubarb, Cangzhu, Qiangwu, Chuanwu, etc. It has the function of clearing heat and drying dampness (removing dampness). It has the efficacy of clearing heat and drying dampness (removing heat and drying dampness), astringing intestines and stopping dysentery. It is used for the treatment of dysentery caused by dampness-heat accumulation (dampness and heat evil in the body each other agglomeration (aggregation)) in the intestines, the symptoms of abdominal pain, acute and severe, dysentery, red, white and sticky jelly, red tongue, yellow greasy moss, slippery pulse and so on. Pregnant women should not take. 2.gentian diarrhea liver pill, composed of gentian, chaihu, scutellaria, gardenia, zedoary and so on. It has the effect of clearing the liver and gallbladder and promoting dampness and heat. It is used in treating dampness-heat of liver and gallbladder, dizziness and red eyes, tinnitus and deafness, ear swelling and pain, dystocia, bitter taste in the mouth, red and astringent pain in urine (fever, unobstructed and painful feeling when urinating), and damp-heat leucorrhea, etc. It is not recommended for pregnant women. Pregnant women should take with caution. 3. Eliminating accumulation and resolving stagnation tablets, composed of rhubarb, trigonelline, petunia seeds and so on. It has the efficacy of cleansing the stomach and intestines, eliminating accumulation and resolving stagnation. Used for indigestion, chest tightness and fullness, abdominal pain, nausea and inverse satiety (do not feel full after eating, after a while instead of feeling bloating and indigestion), fecal impassability, and so on. Chinese medicine is concerned about the four diagnosis, only a symptom, it is difficult to identify, so it is recommended that patients seek medical attention in a timely manner, under the guidance of the doctor for scientific treatment.