The current clinical classifications of fatty liver are as follows: i. Alcoholic fatty liver disease also known as alcoholic fatty liver disease (ALD) ii. Nonalcoholic fatty liver disease (NAFLD): 1. Metabolic syndrome and fatty liver disease; 2, Obesity and fatty liver disease; 3. Diabetes mellitus and fatty liver disease; 4. Dyslipidemia and fatty liver disease; 5. Drugs and fatty liver disease; 6. Total parenteral nutrition and fatty liver disease; 7. Malnutrition and fatty liver disease; 8. Non-alcoholic fatty liver disease in children. Special types of fatty liver: 1, acute fatty liver of pregnancy (AFLP), once called “obstetric acute yellow liver atrophy”; 2, encephalopathy fatty liver syndrome (Reye syndrome); 3, hepatomegaly (Wilson′s disease) fatty liver; 4, hepatomegaly; 5, fatty liver; 6, total parenteral nutrition and fatty liver disease; 7, malnutrition and fatty liver disease; 8, non-alcoholic fatty liver disease in children. s disease) fatty liver; 4, Glycogen Storage Disease (Glycogen Storage Disease) fatty liver; 5, Galactosemia (Galactosemia) fatty liver; 6, Hereditary fructose intolerance (Hereditary fructose intolerance) fatty liver; 7, primary hemochromatosis (Haemochromatosis) fatty liver; 7, primary hemochromatosis (Haemochromatosis) fatty liver. Haemochromatosis (fatty liver) – late complication of diabetes mellitus, atherosclerosis (arteries, intima-media thickness thickening caused by); 8, Hypertyrosinemia (Hypertyrosinemia) fatty liver; 9, Lipoprotein deficiency fatty liver; 10, Lysosomal storage disease fatty liver; 11, Wolman’s disease fatty liver (associated with lipase deficiency, onset in infancy); 12, cholesterol ester storage disease (CESD) fatty liver; 13, Gaucher’s disease (Gaucher’s disease) fatty liver; 14, Niemann-Pick disease (NPD) The Mucopoly saccharidosis (MPS) fatty liver; 18. Focal fatty liver or focal fatty infiltration of liver; 19. Hepatic fatty tumors (mostly benign tumors or tumors of the liver). Viral hepatitis combined with fatty liver: 1. Viral hepatitis combined with alcoholic hepatopathic fatty liver; 2. Viral hepatitis combined with non-alcoholic hepatopathic fatty liver. Cardiovascular and endocrine related fatty liver disease: 1, obesity and fatty liver; 2, hyperlipidemia and fatty liver; 3, atherosclerosis and fatty liver; 4, hypertension and fatty liver; 5, coronary artery disease and fatty liver and its lipid metabolism abnormality; 6, diabetes mellitus and fatty liver and its hepatogenous diabetes mellitus; It is recommended that the patients combine their own situation to choose the hospitals and the relevant doctors to see the doctor.