Different vaccines are given at different times, and studies have shown that most vaccines can be given while breastfeeding. The new crown vaccine can be injected during breastfeeding, and no obvious adverse reactions have been found. MMR vaccine and chickenpox vaccine are contraindicated for women during pregnancy, and can generally be used normally by postpartum women, especially for women with negative IgG antibodies to rubella virus in their bodies, which can be effectively prevented. HPV vaccine is not recommended during breastfeeding, HPV vaccine is a live attenuated vaccine, which may affect the baby. Regardless of the type of vaccination, it is recommended to ask your local professional doctor to make a judgment based on your personal situation, and mothers should pay attention to eating healthy and keeping warm in their daily life.