Objective:To observe the effect of Busheng Yiqi Huoxue Capsule on the lipid peroxide, lipofuscin, lipid of aged rats and on the lipid, platelet aggregation and prostaglandin of the experimental hyperlipidemic rats. Methods: Adopting the aged rats and dividing randomly into groups, the indicators of MDA. lipofuscin, lipid were determined; Adopting the hyperlipidemic rats fed by high lipid diet and dividing randomly into groups, the indicators of lipid, platelet aggregation, 6 tone PGF 1? and TXB 2 were determined. Results: Busheng Yiqi Huoxue Capsule can reduce the level of lipid peroxide in the heart, brain, liver and plasma, the level of lipofuscin in the heart and brain and the level of lipid in the aged rats ( P