The new coronavirus vaccine should be the new coronavirus vaccine, and it is possible to receive the new coronavirus vaccine while breastfeeding. The new coronavirus vaccine is used to prevent new coronavirus infections and generally does not cause serious adverse effects to human beings. Moreover, there is no contraindication to vaccination for breastfeeding women. Considering the importance of breastfeeding to the nutrition and health of infants and young children, and with reference to the international practice, it is recommended that breastfeeding women continue to breastfeed after vaccination with the new coronavirus vaccine. However, patients with severe allergies to the vaccine, uncontrolled epilepsy, those with fever, pregnant women, and severe chronic diseases are prohibited from receiving the vaccine and need to be strictly consulted with a doctor and specialist.