Hepatitis B two half two five weak positive refers to hepatitis B surface antibody, hepatitis B core antibody is weak positive, usually indicates that the previous infection of hepatitis B virus, has been recovered, and has a certain degree of hepatitis B immunity. The treatment is mainly based on the value of surface antibody to determine whether it is necessary to strengthen the injection of hepatitis B vaccine, and does not need anti-hepatitis B virus treatment. Weakly positive hepatitis B surface antibody means that the test can find hepatitis B surface antibody, but the titer is not high. Generally, no special treatment is needed, and only the number of surface antibody values is needed to determine whether to strengthen the hepatitis B vaccination. The two values of concern in the clinic are: 10mIU/ml and 100mIU/ml. 10mIU/ml~100mIU/ml: In this case, it means that the body’s immunity to hepatitis B is memorized, and the lymphocytes will produce more hepatitis B surface antibodies when encountering the hepatitis B virus. There is no need to worry too much, and for safety reasons, you can also take another injection of hepatitis B vaccine for reinforcement. Greater than 100mIU/m: These patients will maintain higher hepatitis B surface antibody from the blood, and once the hepatitis B virus comes to invade, they will destroy the virus by themselves immediately, so there is no need for special treatment, and they can be exempted from the hepatitis B vaccination. Another situation is that the test subject is in the recovery period of acute infection, it is recommended to review the hepatitis B two halves after a period of time to exclude the possibility of hepatitis B surface antigen re-positive. When the patient is clearly positive for Hepatitis B 2.5, it is recommended to check the Hepatitis B antibody, decide whether to inject Hepatitis B vaccine according to the titer, and re-check the Hepatitis B 2.5 again after a period of time.