During the antiviral treatment for hepatitis B teratitis III, if the liver function is normal and the condition is stable, it is possible to prepare for pregnancy. After antiviral treatment for hepatitis B teratitis III, if the liver function returns to normal and there is no obvious physical discomfort, this situation is possible to prepare for pregnancy. In the choice of antiviral drugs during the preparation for pregnancy, tenofovir disoproxil fumarate should be chosen, which can be used for women during pregnancy, both men and women, during the preparation for pregnancy. If liver function has not returned to normal during antiviral treatment for hepatitis B teratitis III and is still undergoing treatment such as liver protection and enzyme lowering, this period is not suitable for pregnancy preparation. You should wait until the liver function returns to normal and the symptoms are relieved before considering pregnancy preparation. After successful preparation for pregnancy, liver function and Hepatitis B viral load should be checked regularly during pregnancy.