The present invention relates to a composition for preventing and/or treating cardiovascular and cerebrovascular diseases, a method for preparing the same, and use thereof, wherein the composition comprises at least two of docosahexaenoic acid or an ester thereof, coenzyme Q10, lipoic acid and phospholipid. The composition is used for preparing a dietary supplement or health food, preferably, for preparing a dietary supplement or health food for preventing and/or treating dyslipidemia or cardiovascular and cerebrovascular diseases.