I suggest you recheck: two and a half pairs of hepatitis B and hepatitis C antibodies (excluding viral hepatitis, hepatitis A and hepatitis E don't need to be checked, because both of them are acute and transaminase will exceed 1000), and a full set of antinuclear antibodies (excluding immune liver disease). B-ultrasound excludes fatty liver; Nie external examination of thyroid function; He can also cause liver damage. AFP (see liver tumor)