Babies should be breastfed until they are at least 2 years old or older. Healthy babies born at full term should start breastfeeding within one hour after birth; babies should be exclusively breastfed for the first six months after birth; babies should be given pureed complementary food in a timely manner after the age of six months, and continue breastfeeding until they are two years old or older on this basis. Breastmilk is the most ideal natural food for infants, and its nutrients are the most suitable for infants to absorb and utilize, which is conducive to growth and development; moreover, it can be adjusted with the growth of infants to adjust the composition of milk. Breastmilk is rich in immune substances, which can increase the baby’s ability to resist diseases, especially reduce digestive, respiratory and skin infections, and protect health. During breastfeeding, mothers must pay attention to nutrition and ensure sufficient sleep in order to maintain abundant energy and enough milk to nurse their babies. Maintain a good mood, confident in breastfeeding and full of love for the baby. It is also necessary to pay attention to good breast care and implement appropriate contraceptive measures. New mothers can actively listen to the advice of professional doctors, breastfeeding, and promote the healthy growth of the baby.