Abstract:The intervention of Rhizoma Polygoni Cuspidati on diabetic nephropathy might be relevant to its actions of Qingrejiedu,Lishi and Huoxiehuayu.Its mechanism is complicated,and its actions such as improving hemorheological disorders,lowering serum glucose level etc might be the main approaches relevant to the intervention on diabetic nephropathy.In terms of the acting characteristics of Rhizoma Polygoni Cuspidati,for studying the intervention of Rhizoma Polygoni Cuspidati on diabetic nephropathy it is appropriate to choose mouse models of Xieyu and Tanshi.