The hepatitis B two-to-one test is a test for the hepatitis B virus that can determine whether or not you are infected with the hepatitis B virus, and if you are infected with the hepatitis B virus, you are infectious. Hepatitis B two to half test is the common name of hepatitis B virus markers, including hepatitis B virus surface antigen, hepatitis B virus surface antibody, hepatitis B virus e antigen and hepatitis B virus e antibody, hepatitis B virus core antibody five, test indicators are as follows: 1, hepatitis B virus surface antigen: surface antigen itself is not infectious, positive results generally indicate that there is infection with hepatitis B virus or carry hepatitis B virus; 2, hepatitis B virus surface Antibody: the positive result indicates that the body has a certain degree of immunity to the hepatitis B virus, so it can also be seen in hepatitis B vaccine recipients; 3, hepatitis B virus e antigen: indicates that hepatitis B is in the active stage, the virus replication is more active, usually has a strong infectious; 4, hepatitis B virus e antibody: positive can be seen in most of the hepatitis B virus is eliminated, the infectiousness is greatly reduced, but pay special attention to the results are not 5. Hepatitis B virus core antibodies: generally appearing alone does not have a more definite suggestive meaning. For patients with confirmed hepatitis B virus infection, it is important to raise awareness of self-isolation treatment, with emphasis on prevention of blood and body fluid transmission.