Total panax notoginsenosides (TPNS) are the main active ingredients in San-Chi, the root of(Burk) F.H. Chen, which belongs to the Araliaceae family and has been used in traditional Chinese medicine to treat atherosclerosis;TPNS can prevent atherosclerosis by lowering serum lipid levels and regulating vascular CD40 and MMP-9 expression, TPNS may have implications for clinical treatment of atherosclerosis vascular disease.