Elderly people with dry mouth can be treated with medicines such as Tianwang Xinxin Dan (天王补心丹), Baihe Gujin Pills (百合固金丸), Nourishing Stomach Shuo Granules (养胃舒颗粒) and Jiawei Yiqiu Wan (加味逍遥丸). 1. Tianwang Xinxin Tonic Dan: It has the effect of nourishing yin and nourishing blood (nourishing the blood in the body), and it can also nourish the heart and calm the mind. Therefore, it can be used to treat dry mouth and tongue in the elderly caused by heart yin deficiency, in addition to symptoms such as feeling hot in the hands and feet and inexplicable irritability, as well as insomnia and excessive dreaming. 2. Lily Solid Gold Pill: It has the effect of nourishing yin and moistening the lungs (nourishing the lungs by replenishing the fluid in the lungs), and it can also dissolve phlegm and relieve cough. Therefore, it can be used to treat dry mouth and tongue in the elderly caused by deficiency of lung yin. In addition, it can also be seen as dry cough without phlegm or sticky phlegm, as well as emaciation and other symptoms. 3. Nourishing Stomach Pellet: It has the effect of nourishing yin and stomach, so it can be used to treat dry mouth and tongue in the elderly caused by stomach yin deficiency, in addition, it can also be seen as easy to be hungry but no appetite, as well as dry stools and urination and other symptoms. 4. Jiawei Puan: It has the effect of soothing the liver and clearing heat, and can also strengthen the spleen and nourish blood. Therefore, it can be used to treat dry mouth and tongue in the elderly caused by liver fire, in addition to dizziness and dryness of the eyes, as well as blurred vision and other symptoms. The adverse reactions and contraindications of the above drugs are still unclear, before taking, need to be guided by a doctor for diagnosis, can not take the drug, so as not to cause adverse consequences.