Whether the core antibody is positive or not is a carrier of hepatitis B virus, need to be combined with other indicators to determine the overall. Core antibody positive, if the surface antigen of hepatitis B is positive, this kind of patient belongs to hepatitis B virus carrier, need to comprehensively evaluate the liver function, liver ultrasound, the number of viruses, to determine whether it is necessary to carry out antiviral treatment. If the surface antigen is negative, but the surface antibody is positive, it usually means that the patient has been infected with hepatitis B virus and is in the process of recovery, and it is recommended that the patient should have a regular review. If the core antibody is positive and the other two halves of hepatitis B are negative, it suggests that the patient is currently infected with hepatitis B virus or is in the recovery period, and it is recommended to check the IgM of the core antibody to make a judgment. Patients should go to the hospital in time, under the guidance of the doctor, complete the relevant examinations to clarify the condition.