Breastfeeding has the following advantages: 1. Breastfeeding is most suitable for infants’ needs, and the quality of nutrients contained in breast milk is most suitable for infants’ needs, digestion, absorption and utilization. 1) The nature of protein in breast milk is better than milk, easy to be absorbed and utilized by infants. 2) Fat is good in composition and easy to be absorbed, containing linoleic acid, lecithin and sphingomyelin, which are important components for brain development of infants. 3)Contains lactose to promote the growth of lactobacilli, which can prevent intestinal diseases. 4) The calcium to phosphorus ratio (2:1) is appropriate and facilitates absorption. 5) Breast milk contains more vitamin A, C and E than milk. 2) Breastfeeding is not easy to cause allergy. The proteins in breast milk are human proteins, while the proteins of cow and goat milk are allogeneic proteins, which can cause infant eczema and other allergy symptoms. 3, breast milk can enhance the infant’s ability to resist disease, breast milk contains a large number of active immune factors, which is not available in other foods. Breast milk has a variety of immunoglobulins, live immune cells and active lysozyme, which can protect infants’ intestinal and respiratory mucosa and reduce respiratory and intestinal infections. 4, breast milk direct feeding, no need to sterilize, both convenient and economic, breast milk is almost sterile, the temperature is appropriate, with the needs of the baby natural adjustment, breastfeeding is not easy to overfeed, less infant obesity. 5, breastfeeding can also promote mother-infant feelings, easier to produce mother-infant attachment, conducive to infant intellectual development. 6, the benefits of breastfeeding mothers, the mother’s postpartum recovery, the baby sucking breast can promote the mother’s secretion of oxytocin, strengthen the contraction of the uterus, to prevent uterine bleeding. Reduce the occurrence of breast cancer or ovarian cancer in breastfeeding mothers.