[Efficacy and safety of Buyang Huanwu Decoction for early-stage diabetic nephropathy: a Meta-analysis].

Buyang Huanwu Decoction(BHD) has the effect in benefiting Qi and activating blood circulation,and is the representative prescription for benefiting Qi and activating blood. At present,it is used for treatment of early diabetic nephropathy. However,its efficacy and safety remained to be verified.