Objective To study the possible mechanism of Baihu Jia Renshen Decoction (白虎加人参汤) treating type 2 diabets. Method Totally 28 SD rats were divided into four groups,blank group (treated with aseptic ultrapure water) ,Baihu Jia Renshen Decoction group (concentration 2 g /ml) ,metformin group (concentration 21.5 mg / ml) ,and Jingui Shenqi Pills group (concentration 0.215 g /ml) ,7 rats in each group. All rats were treated with gastric perfusion 33.48 ml /kg for continuous five days. Drug-containing plasma was prepared by taking blood sample ...