1, mother-to-child blockade of hepatitis B is to block the transmission of the virus from the hepatitis B-infected mother to the baby through active or passive immunization methods. 2.Active immunization means vaccination, while passive immunization room is injected with immunoglobulin after the baby is born. 3.After delivery, the mother’s blood is quickly and thoroughly removed from the body surface of the newborn to avoid damage to the newborn as much as possible. And immediately inject hepatitis B highly effective immunoglobulin, hepatitis B vaccine within 24 hours, 1-2 weeks later again inject hepatitis B highly effective immunoglobulin, later in the baby’s first month, the sixth month and then in turn, to minimize the mother’s blood, breast milk, secretions and infant contact. 4. The injection of hepatitis B globulin in the second trimester of pregnancy has not been proven to reduce infection and is not advocated.