Objective: To observe the effect of tablet Yangxintongmai on atherosclerosis( AS) rats. Methods: 72 Wistar rats were divided into four groups, i.e. normal, model, control and therapy group. The AS model of rats was made by feeding with high grease food and AS plague was observed in the aorta after one month of feeding. Tablet Yangxintongmai was used in the group of therapy; tablet Gypenosides was used in the group of control. The level of serum lipid, blood sugar and insulin were tested after one month; the change of aorta histology was observed by HE staining; the ultrastructure of aorta tiss...