Breastfeeding is recognized by many mothers, families and health professionals to beimportant for the health and wellbeing of mothers and babies. One of the important objectivesof the puerperium is to enhance the maternal-infant interaction as regards nutrition ofthe infants. The advantages of breastfeeding are many. Human milk is always at the correcttemperature and requires no sterilization ; the protein content is lower than in formulabut of high quality, gives a small curd, and is easily digestible ; the fats are well absorbed ;the carbohydrate is relatively high in lactose.But there are a few problems in breastfeeding ; for example, 1. breastfeeding jaundice, 2.Vitamin K deficiency, 3. drugs, 4. allergic disease, 5. HTLV-1, 6. The secretion of breast milkin pregnant women after therapy of sterility. We must mange these problems of breastfeeding