Hepatitis B antibody titer is an indicator of the amount of Hepatitis B antibody present in the body, there is no such thing as normal or not, it needs to be interpreted according to the value. Generally speaking, a Hepatitis B antibody titer of more than 10 mIU/mL can protect the body from the Hepatitis B virus, and a titer of more than 10 mIU/mL indicates that Hepatitis B antibodies are already present in the body and the body is free from Hepatitis B virus infection. If hepatitis B antibody titer is lower than this value, you need to pay attention to whether you are infected by hepatitis B virus, and it is recommended that you get vaccinated against hepatitis B in time. Hepatitis B antibody titer is an indicator of the amount of Hepatitis B antibody present in the body, and different values indicate different amounts of antibody in the body, so it is recommended to interpret it with the symptoms under the guidance of a doctor.