I. The benefits of breastfeeding for infants: 1, nutrition / growth: breast milk is the necessary and ideal food for infants, it contains a variety of nutrients most suitable for infant digestion and absorption, and has the highest bioavailability. 6 months after the addition of a side dish infants will continue to grow well. 2, immunity: breast milk is rich in anti-infective substances, so it can ensure that infants get less disease. The infant has less chance of diarrhea, respiratory tract and skin infections, and can prevent allergies. 3, the development and protection of teeth: sucking muscle movement helps the normal development of the face, and can prevent dental caries caused by bottle-feeding. 4, beneficial to infant brain development: breast milk contains the necessary amino acids for infant brain development. In addition, during the breastfeeding process, the mother’s voice, heart sound, smell and skin contact can stimulate the baby’s brain and promote the baby’s early intellectual development. 5. Psychosocial issues (1) Frequent skin-to-skin contact and care of the infant with the mother are conducive to promoting the development of psychological and social adaptability. (2) Recent studies have proven that breastfeeding is associated with high IQ (Lucas 1992) 6. Other (1) reduce the risk of necrotizing colitis (2) reduce the occurrence of sudden infant death syndrome (3) may be related to reducing the incidence of diabetes in infants and lymphoma in children II. A successful transition from a pregnant to a non-pregnant state. The oxytocin produced with suckling promotes uterine contractions. 2. It reduces postpartum bleeding. Promotes uterine rejuvenation. The protein, iron and other nutrients needed in the mother’s body can be stored through postpartum amenorrhea, which is conducive to postpartum recovery and prolonging the birth interval. 3. In addition, breastfeeding can reduce the risk of breast and ovarian cancer. Breastfeeding is also beneficial to hospitals, families and communities: especially in the economic aspect. Hospitals can save the bottles, milk powder and manpower needed for sterilization and preparation of artificial feeding products. From the family and community perspective, it is cheaper to spend on the mother’s nutrition than on the baby’s nutrition; medical consultations, medications, tests and hospitalization can be reduced because the baby is less likely to get sick.