There is no such thing as a small prescription for bitter and dry mouth in the elderly. Generally speaking, bitter and dry mouth in the elderly is mostly related to the dampness and heat of the liver and gallbladder (dampness and heat are accumulated in the liver and gallbladder) or the hyperactive gastric fire. Therefore, according to the type of evidence, you can choose gentian diarrhea liver soup or compound boxing ginseng tablets for treatment. 1. Damp-heat in the liver and gallbladder: bitter and dry mouth, abdominal distension, loss of appetite, nausea, anorexia, yellow urine, or pain in the chest and hypochondrium (chest and ribs), hot and damp in the lower pubic area, etc. Longgibin Diarrheal Liver Soup can be used to treat this condition, in order to clear the damp-heat in the liver and gallbladder. 2. Excessive stomach fire: Stomach heat can also lead to bitter and dry mouth, and is often accompanied by stomach pain, noisy acid swallowing (discomfort in the stomach, swallowing after acid flooding), constipation and other systemic symptoms. You can choose Compound Fist Ginseng Tablets for treatment. However, it is important to note that the drug contains Aristolochiaceae, which is prohibited for people with renal insufficiency. The treatment of the disease, do not choose the prescription, the drug should be taken after the physician’s diagnosis and guidance, not self-medication, so as not to delay the condition.