Thirst-quenching and Sugar-lowering Capsule has the effects of generating fluids and quenching thirst, nourishing the stomach with sweetness and flatness, and astringency and fixing yin. According to the theory of traditional Chinese medicine, the drug has certain therapeutic effects on thirst and loss of appetite caused by yin deficiency. There is no significant gender difference in its efficacy. Thirst Relieving and Glucose Reducing Capsule is a proprietary Chinese medicine, which has the efficacy of generating fluids to quench thirst, nourishing the stomach with sweetness and flatness, astringent and yin-fixing, and can be used for the treatment of thirst with excessive drinking, urination, overeating, emaciation, fatigue and weakness, elevated urinary glucose and blood glucose, as well as mild and moderate adult-onset diabetes mellitus. The drug should be used with caution in diabetes complicated by acidosis and acute infections are prohibited. For patients with Yin deficiency, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician for evidence-based treatment.