Disclosed herein are an agent for improving an alcohol flavor of an alcoholic beverage, which includes allulose-containing saccharides, and a method of improving an alcohol flavor of an alcoholic beverage using allulose.本文中揭露一種用於改善酒精飲料中的酒精味道的試劑,其包含含阿洛酮糖的醣類,及一種利用阿洛酮糖來改善酒精飲料中的酒精味道的方法。