Abstract: Objective To explore the blood biochemical indexes, diet and behavior characteristics of patients with non-alcoholic fatty liver disease（NAFLD）, with a view to providinge vidence for the prevention and treatment of NAFLD.Methods Patients who were diagnosed with NAFLD （NAFLD group） and alcoholic liver disease （ALD） （ALD group） in a hospital in Hai'an City from January 2018 to December 2019 were selected as the research subjects, and the number of NAFLD cases that met the research conditions during the same period was selected a 1∶1 recruitment of the same sex, aged ± 0.5 years old in the same hospital as the control group.Questionnaire survey, physical examination and blood biochemical index detection were carried out among the three groups, and the results were compared.Results A total of 115 NAFLD cases, 98 ALD cases and 100 healthy persons were included in the study, aged 25-73 years old. There wereno statistically significant differences in age, gender, marital status, occupation, education level, and monthly per capita income in family between the three groups （all P>0.05）. The differences in BMI, DBP, SBP, TC, TG, LDL-C, HDL-C, FBG, Scr, SUA, ALT, AST among the three groups were statistically significant （all P<0.01）, all indexes except HDL-C in the NAFLD group and the ALD group were higher than the control group （all P<0.05）, and all indexes except HDL-C in the ALD group were higher than the NAFLD group （all P<0.05）. Smoking, exercise habits, sleep and eating habits were significantly different among the three groups（P<0.05 or P<0.01）. The NAFLD group and ALD group had higher proportion of smoking and greasy diet, and lower proportion of adequate sleep and exercise.Conclusion The levels of blood pressure, blood lipid and blood glucose in patients with NAFLD are higher, and there are unreasonable eating habits and exercise behaviors.People can start from changing the unhealthy diet and behavior habits to reduce the risk of NAFLD.

Key words: Non-alcoholic fatty liver disease, Eating habits, Behavior characteristics, Biochemical index