Adults should be tested for Hepatitis B before receiving the Hepatitis B vaccine, while newborns do not need to be tested before receiving the Hepatitis B vaccine. Adults need to check hepatitis B half-pair before injecting hepatitis B vaccine, if the result of the test is negative, it indicates that they have not been infected with hepatitis B in the past, and there is no hepatitis B antibody in their body, in this case, they need to inject hepatitis B vaccine immediately, and then the second time one month after the vaccination, and the third time six months after the first time of the vaccination. If adults are found to be positive for hepatitis B surface antigen and hepatitis B virus e antigen, it means that they have been infected with hepatitis B in the past or have received hepatitis B vaccine, and there are already antibodies against hepatitis B virus in their bodies, and there is no need to receive hepatitis B vaccine in this case. Newborns do not need to be examined before receiving the hepatitis B vaccine. Newborns receive the first vaccination within 24 hours of birth, then the second vaccination one month after the vaccination, and the third vaccination six months after the first vaccination.