Hepatitis B mother-to-child blockade injection, now so far only for children, no mother injection program, child injection in two parts, part of the hepatitis B immune globulin, immune globulin is actually best within 12 hours, if you can play within 1-2 hours after birth, the sooner you play the better. The hepatitis B vaccine should be given later than the hepatitis B immune globulin injection, according to the child immunization program “016” refers to normal birth and normal weight children, if the child is low weight, or born critically high risk children, first of all, the neonatal unit should be allowed to evaluate, if the child’s vital signs are stable, the first injection can be given, after the injection of this shot One month and six months after this injection, the injection should be restarted. Three doses of hepatitis B vaccine should be given to normal weight children, while four doses of hepatitis B vaccine should be given to low weight or premature children with unstable vital signs. After these vaccinations, the child should be reviewed in a timely manner to evaluate the effectiveness of the mother-to-child blockade and to determine whether the child is infected.