Disclosed is an oil-and-fat composition having a high ±-linolenic acid content, a hypertension-ameliorating effect, a good flavor, and good storage stability. Also disclosed is a food or beverage containing the oil-and-fat composition. The oil-and-fat composition comprises at least one vegetable oil A selected from flax oil, perilla oil and perilla seed oil, rice oil and at least one vegetable oil B selected from rape seed oil, soybean oil and corn oil at a ratio among the vegetable oil A, the rice oil and the vegetable oil B [i.e., a (vegetable oil A)/(rice oil)/(vegetable oil B)ratio)] of 20-35/15-25/40-65 by mass, wherein the ±-linolenic acid content in the constituent fatty acids contained in the oil-and-fat composition is 15 to 30 mass%.
