Dry mouth, bitter breath and halitosis belongs to the situation that liver fire is exuberant with accumulation of food (food is indigested and stops accumulating in the stomach), and the Chinese herbal formulas that can be used include Longdian Diarrheal Liver Pill, Diarrhea Qing Pill, Dangdian Yiqiu Pill, and so on. 1. Longdian Diarrhea Liver Pill: composed of gentian, Zhimu, Scutellaria baicalensis and other medicines, it can clear and diarrhea the actual fire of liver and gallbladder, and is used for treating dizziness, redness of the eyes, and bitterness of the mouth caused by exuberant fire of the liver. It is not suitable for patients with weak spleen and stomach. 2. Diarrhea Green Pill: composed of gardenia, Qingdai, rhubarb and other drugs, it has the effect of clearing liver and diarrhea (clearing liver fire), and can be used for treating symptoms such as tinnitus, bitter taste in the mouth, and short and red urination (small amount of urination, dark yellow color) caused by exuberant liver fire. Pregnant woman cannot use this medicine. 3.DANJIAYUYUANQI PILL: composed of Chaihu, white peony, danpi and other medicines, it has the effect of clearing heat from liver, it can be used for treating chest tightness, irritability, dry mouth and other symptoms caused by liver depression and fire (fire-heat evil caused by impassability of liver qi). Pregnant women should use it with caution. The above drugs should be selected under the guidance of a doctor and should not be used without authorization.