Comprehensive liver examination items are mainly divided into laboratory tests, imaging tests and pathological tests, as follows: a. Laboratory tests: mainly include blood routine, liver function, hepatitis B five items, infection four items, liver fiber four items, sometimes also need to check tumor markers, such as fetoprotein, carcinoembryonic antigen, glycogen antigen 19-9, glycogen antigen 12-5, etc. Some patients need to check autoimmune antibodies. Imaging examination: mainly includes ultrasound, CT, MRI of upper abdomen, etc. Some patients need to perform enhanced scan or imaging examination. Pathological examination: mainly for patients with occupancy in the liver, usually a percutaneous liver aspiration biopsy will be done under the guidance of color ultrasound, and sometimes laparoscopic exploration can be performed to remove the intrahepatic mass and send a large specimen for examination.