Objective To explore the mechanism of atherosclerosis (AS) prevention and treatment by Huxinkang in rabbits. Methods 90 male Chinese white rabbits were randomly divided into 5 groups: normal group, model group, Huxinkang low, middle and high dose group. The rabbits in all the groups except for the normal group were fed with high cholesterol diet for 63 days. From the 30th day after the finish of the modeling, the rabbits in the Huxinkang low, middle and high dose group were respectively orally administered with Huxinkang at dcse of 0.27, 0.5...