A medicament comprising the following composition: (A) an angiotensin II receptor antagonist selected from the group of a compound having a general formula (I), pharmacologically acceptable esters thereof and pharmacologically acceptable salts thereof (for example, olmesartan medoxomil and the like);and (B) a calcium channel blocker selected from the group consisting of 1,4-dihydropyridine derivatives and pharmacologically acceptable salts thereof as active ingredients (for example, azelnidipine and the like) for the prophylaxis and/or treatment of arteriosclerosis, hypertension, heart diseases, renal diseases or cerebrovascular diseases.