There are many ways to test for liver disease, and the best method depends on what disease is being examined; no one test is comprehensive. The more common ones are blood sampling for liver function, hepatitis virus count, antibodies to various types of hepatitis antigens, liver function reserve tests, imaging tests including hepatobiliary ultrasound, CT plain or enhanced, MRI plain or enhanced, specific contrast examinations, and invasive tests, liver puncture biopsy, etc. The best test for hepatitis series diseases is liver function virus count test combined with hepatobiliary ultrasound for comprehensive evaluation. Cystic liver disease is usually diagnosed clearly by combining liver ultrasound and CT. Hepatic hemangioma is best diagnosed by CT plain plus enhancement to determine the nature and size of the tumor. Hepatic adenomas or focal nodular hyperplasia of the liver require liver MRI and enhancement or even liver aspiration biopsy for a definitive diagnosis. Malignant tumors of the liver require CT or MRI scan and enhancement, along with liver function and tumor markers such as AFP (alpha-fetoprotein).