PROBLEM TO BE SOLVED: To provide a method for producing a beer taste beverage having improved foam sustainability while suppressing influence on flavor.SOLUTION: Provided is a method for producing a beer taste beverage characterized in that, in the method for producing a beer taste beverage, a soybean protein decomposed product obtained by decomposing soybean protein, defatted soybean or soybean protein at a pH of 5.0 to 6.0 with neutral protease is used as raw material.