Liver function cannot check for hepatitis B virus infection. Liver function test results mainly reflect whether the liver cells are damaged or not, and you can check hepatitis B five and hepatitis B virus DNA if you want to check hepatitis B. Liver function tests can reflect liver cell damage, liver excretory function, storage function, liver interstitial changes and liver cell synthesis ability. Liver function test indicators include aminotransferases, bilirubin, albumin and other items, through which you can assess whether there is any inflammatory damage to the liver as well as some indicators of metabolic abnormalities. To check whether your body is infected with hepatitis B virus, you need to pass the hepatitis B penta test, including hepatitis B surface antigen, hepatitis B surface antibody, hepatitis B e antigen, hepatitis B e antibody and hepatitis B core antibody. Hepatitis B DNA can reflect the viral load in the body of hepatitis B patients, and quantitatively reflect the degree of replication of the hepatitis B virus. If you suspect that you are suffering from hepatitis B, it is recommended that you should consult a doctor in time, complete all the tests under the doctor’s advice, and make a diagnosis according to the test results; you should not decide the test items and read the test results by yourself, so as to avoid wrong diagnosis and delay of the condition.