According to the drug description of Quenching Thirst Pill, it can be taken for a long time. Quenching Thirst Pill is a traditional Chinese medicine for the treatment of diabetes, which has the effect of lowering blood sugar and protecting the function of pancreatic islets. However, it should still be treated and monitored according to your doctor's advice to ensure safe and effective control of blood sugar levels during long-term use. At the same time, you should also follow your doctor's instructions and combine treatments such as a healthy diet and sensible exercise to fully manage and control your diabetes.