This study was performed to see the effect of nutritional status on fatty liver. Subjects were 219(male : 174, female : 45) fatty liver patients living in cities, and 10-60yrs old. Nutrient and alcohol intakes, health state and medical history were investigated by individual interview, and blood sample was taken. Results were as follow; Most subjects were obese an overweighing and suffering from hepatitis. Calorie and carbohydrate intakes of male and females patients were lower than mean intakes of normal citizens. Protein and fat intakes of male patients were higher than mean intakes of normal citizens. Proportions of protein and fat to total calorie intake in patients were higher than those of normal citizens. Alcohol intake was markedly higher in patients than normal group, and increased with increasing body weight. Serum total cholesterol, HDL-cholesterol, total lipid, total protein and albumin conc.s and Hb and Hct levels were in normal ranges, But serum TG level of patients was higher than normal level. Serum total fatty acid level, $omega$-3/$omega$-6 and P/S FA ratios were higher in patients than normals. Serum total EAAs, NEAAs and all AAs levels of patients were higher than normals. It is plausible that high animal food and alcohol intakes, excess body fat and hepatitis were associated with fatty liver.