The present invention falls within the field of biological medicine, and specifically relates to a method for preventing, alleviating and/or treating fatty liver disease and/or steatohepatitis. The method comprises administering, to an individual in need thereof, an effective amount of a compound of formula (I) or a pharmaceutically acceptable salt, an ester, a stereoisomer, a polymorph, a solvate, an N-oxide, an isotopically labeled compound, a metabolite or a prodrug thereof.