Objective:Non alcoholic fatty liver disease (NAFLD) is an clinical pathological syndrome characterized by diffused hepatic macros teatosis including simple fatty liver and non alcoholic steatosis hepatitis (NASH) and cirrhosis. Recently, the incidence of NAFLD has increased year by year with the change of life style and diet structure and has become an global disease. At the present, the etiology、pathogenesis and treatment of NAFLD has not still reach a unified conclusion. We systemically reviewed hepatic s...