About a quarter of the world's population now has nonalcoholic fatty liver disease(NAFLD).With increasing of the prevalence of NAFLD,the occurrence of fatty liver associated cirrhosis and hepatocellular carcinoma hadreplacedother cause become the first cause of liver transplantation.However,the term"NAFLD"was an exclusionary diagnosis and potentially stigmatizing language,the concept of"metabolic dysfunction-associate fatty liver disease(MAFLD)"was put up to instead NAFLD.The argue is continuing about the two nomenclatures,recently a new concept,steatotic liver disease was put forward and"MAFLD"was suggested to be substituted by"metabolic dysfunction-associate steatotic liver disease(MASLD)".Here we will introduce and compare the three nomenclature in order to help physicians to understand and utilize them better.