?Objective To observe the effect of Si Tai Tablet (STT) on insulin sensitivity of rat with the syndrome of insulin resistance(IRS). Methods The rats were fed with high sugar fat diet for 8 weeks to induce IRS. Then, STT were grven to them to observe the influence of STT on model rat's blood glucose, blood lipiol, insulin levels,insulin sensitivity index (ISI)in treating IRS. Results STT could not only lower,the blood pressure,blood glucose, and blood lipid insulin level of IRS moolel rats, but also improve rat's ISI after a course of STT therap...