Objective To explore the therapeutic effect of herbal Euonymi Ramuli Compound(ERC) on diabetic nephropathy and its mechanism.Methods 64 Sprague-Dawleg(SD) rats were divided into normal control group,Diabetic nephropathy(DN) model group,Euonymi Ramuli Compound treatment group and Benazepril treatment group.DN model rats were prepared by intraperitoneal injection with STZ after unilateral nephrectomy.After one week,DN model rats of treatment groups were treated with Euonymi Ramuli Compound and Benazepril resp...