PROBLEM TO BE SOLVED: To provide a method for efficiently accelerating alcohol fermentation and/or proliferation of yeast.SOLUTION: The method for producing drink includes a step before fermentation for preparing the liquid before fermentation containing a nitrogen source and a carbon source which an enzyme can assimilate, a fermentation step four carrying out alcohol fermentation by adding the yeast to the liquid before fermentation, processed mushrooms are added in the step before fermentation or the fermentation step.
