Objective:To research the effect of enriching yin,boost qi and blood quickening to renal structure and function in diabetic rats and its mechanism.Methods:make the streptozotocin(STZ)-induced diabetic rats and divide into five groups,including Normal group,Diabetic group,Enalapril treating group,Enriching yin,boost qi(normal dose)and blood quickening group,Enriching yin,boost qi(big dose)and blood quickening group.Observe the effects of the formula to renal structure and function in diabetic rats after treated 30 days.The result showed that the formula could effectively control the mesagial ex...