The causes of bitter mouth, dry mouth and blood on tongue are mostly caused by stomach fire, liver fire, stomach and intestinal dampness, heat and toxicity. Bitter mouth, dry mouth and blood on the tongue can be treated with Chinese medicines such as Niu Huang Qing Stomach Pill, Gentian Diarrhea Liver Pill and Huo Xiang Qing Stomach Capsule after identification. Stomach fire will be accompanied by dizziness, mouth and tongue sores, swollen and painful gums, constipation, urinary redness and other symptomatic manifestations, more often choose Niuhuang Qing Stomach Pills, Huanglian Qing Stomach Pills for treatment. The adverse reactions and contraindications of the above two drugs are not yet clear, and pregnant women should not take. Longdian Diarrhea Liver Pill is used for bitter mouth, dry mouth and blood on the tongue caused by liver and gallbladder damp-heat (damp-heat evils accumulated in the liver and gallbladder). Liver fire may be accompanied by dizziness and redness of the eyes (dizziness and redness of the eyes), tinnitus and deafness, dystocia and bitterness of the mouth (pain in the region of the ribs, bitter taste in the mouth), and urinary redness and dampness-heat with menorrhagia, which are commonly treated with Longdian Diarrhea and Liver Pills. Its adverse reactions and contraindications are not clear at present. Huo Xiang Qing Stomach Capsule is used to treat dyspepsia, epigastric (abdominal) distension, bitter mouth and bad breath, bleeding tongue caused by damp-heat in the spleen and stomach (the spleen and stomach feeling damp-heat evil qi). Its adverse reactions are not clear, pregnant women should not take, avoid eating cold, greasy and indigestible food when taking this product. If there are symptoms of bitter mouth, dry mouth and blood on the tongue, it is recommended to choose a suitable proprietary Chinese medicine for treatment under the guidance of a doctor and after identification.