<p>Disclosed is an anti-fatty liver agent comprising a cell and/or a culture obtained by culturing a lactic acid bacterium belonging to Lactobacillus gasseri as an active ingredient. Also disclosed is a pharmaceutical agent having an anti-fatty liver activity or an anti-fatty liver beverage/food comprising a cell and/or a culture obtained by culturing a lactic acid bacterium belonging to Lactobacillus gasseri as an active ingredient.</p>