There is a risk of transmission of hepatitis B to children. Hepatitis B is a contagious disease and is infectious. For men, the chance of transmission to children is extremely low, and for men with hepatitis B, timely antiviral treatment is all that is needed. The risk of female transmission to children is relatively greater, mainly during the process of childbirth, for female hepatitis B patients need to monitor the HBV-DNA, if the HBV-DNA is relatively high, you need to do mother-to-child blocking, generally in the 6-7 months of pregnancy oral antiviral drugs, the child after the birth of the hepatitis B vaccine and hepatitis B immunoglobulin, can achieve more than 95% of mother-to-child blocking success. The blockade is successful.