PROBLEM TO BE SOLVED: To provide a method for producing a malt fermented beverage whose flavor generation is adjusted without generating disordered fermentation smell.SOLUTION: A method is intended to adjust a flavor of a malt fermented beverage. The malt fermented beverage is obtainable by fermenting with yeast, wort obtainable by saccharizing a raw material to be saccharized containing more than 25 wt% malt. The method includes adding an a-group amino acid to the wort before completion of the fermentation.COPYRIGHT: (C)2015,JPO&INPIT