Fatty liver and hepatitis B are two concepts, hepatitis B is viral hepatitis, a viral hepatitis that is positive for the hepatitis B virus, fatty liver can be caused by many factors, simple fatty liver is non-alcoholic, non-viral or other causes of hepatitis, this kind of patient for hepatitis series of laboratory tests are normal, as well as no long-term history of alcohol consumption, but simply due to obesity, eating too greasy, etc., the fatty liver is caused by The fatty liver is purely non-alcoholic fatty liver. There is also a type of fatty liver where the patient can be hepatitis B virus positive, and some fatty liver can also be caused by alcohol consumption at the same time. Therefore, there are various causes of fatty liver, some patients may have a combination of hepatitis B and alcoholic hepatitis, or hepatitis C and other viral hepatitis and other factors that cause fatty liver. Excluding these viral hepatitis, there are other autoimmune factors, alcohol consumption and other factors that cause liver disease, and there are also fatty liver that occurs simply because of improper diet, reduced exercise, fat accumulation, and centripetal obesity. Therefore, fatty liver and hepatitis B are two concepts that should not be confused together.