Hepatitis B penta test is able to show whether there are antibodies or not, and the antibodies here refer to hepatitis B surface antibodies. Hepatitis B penta quantitatively includes hepatitis B surface antigen, surface antibody, E antigen, E antibody, and core antibody. Hepatitis B surface antibody is a kind of protective antibody, which can remove the virus and prevent the infection of hepatitis B virus. The appearance of antibodies is generally seen in two situations: 1. In acute hepatitis B patients, the appearance of antibodies signals the recovery of the patient’s condition. 2. After hepatitis B vaccination, hepatitis B surface antibody positivity can also be seen, which is a sign of evaluating whether hepatitis B vaccination is effective or not, and the potency of hepatitis B vaccination is maintained for 4-5 years.