Novel application of glucoside derivatives

The invention belongs to the field of chemical drugs, and particularly relates to novel application of glucoside derivatives. The glucoside derivatives are compounds as shown in a formula I which is described in the specification or a pharmaceutically acceptable salt thereof. The novel glucoside derivatives provided by the invention have treatment effect on type II diabetes mellitus; and comparedwith the prior art, the glucoside derivatives provided by the invention have excellent treatment effect on type II diabetes mellitus no matter in high dosage, medium dosage or low dosage. 本发明属于化学药物领域，具体涉及一种糖苷类衍生物新用途。所述糖苷类衍生物为式I所示的化合物或其药学上可接受的盐：式I。本发明提供的新型的糖苷类衍生物，对II型糖尿病具有治疗作用，与现有技术相比，本发明糖苷类衍生物无论在高、中、低剂量均对II型糖尿病起到优异的治疗作用。