Objective: To prepare coronary heart disease (CHD) in rats model similar to human disease process, and observe the effect of Jiawei shengmai buxin Decoction on atherosclerosis,and discuss its intervention mechanism. Methods: After ordinary adaptive feed for 1 w, 30 rats were divided into the normal group (n = 6), the mod- el group (n = 6) ,western medicine group (n = 6) ,high-dose group (n = 6) ,low-dose group (n = 6). The ordinary groups were normally fed,while the rest were fed with high sugar and high fat feed for 5 w. In 6th w...