Functional food including milk products from which an antihypertensive effect is obtained in a more natural way, more specifically functional food of which ACE inhibitory activity is enhanced by adding EMC preferably with ACE inhibitory activity of 9,000 units or more is provided. ACE inhibitory activity of this functional food is made 5,000 units or more per daily standard intake of the product. For example, in case of processed cheese, ACE inhibitory activity is made 350 units per gram or more assuming daily intake to be approximately 15 g.