The five blood tests refer to the five hepatitis B tests, which mainly include hepatitis B surface antigen, hepatitis B surface antibody, hepatitis B e antigen, hepatitis B e antibody and hepatitis B core antibody. If the hepatitis B surface antigen is negative, it means that there is no hepatitis B virus infection, and if the hepatitis B surface antigen is positive, it means that there is hepatitis B virus infection, which can be combined with the results of the five hepatitis B tests to distinguish between hepatitis B major triple-positive and hepatitis B minor triple-positive. Hepatitis B major tri-positive means that hepatitis B surface antigen, hepatitis B e antigen and hepatitis B core antibody are all positive, and hepatitis B minor tri-positive means that hepatitis B surface antigen, hepatitis B e antibody and hepatitis B core antibody are all positive, and also combined with liver function, hepatitis B virus DNA quantification, liver ultrasound, liver elasticity measurement, etc. to determine the condition comprehensively, and to conduct regular review, once every six months, the main purpose of review is to timely find The main purpose of the review is to detect the indications for antiviral treatment, and if the indications for antiviral treatment are met, antiviral treatment will be administered in a timely manner.