There is little difference in the overall growth and development of formula and breastfed babies, and breastfed babies may have stronger immunity and a closer mother-infant relationship. Powdered milk generally refers to formula milk, which has a similar nutrient composition to human milk, making it better suited to an infant’s digestion and kidney function. Therefore formula and breastfeeding are more similar in terms of nutrition, and both breastfed and formula-fed infants can grow and develop healthily. Breastmilk has a more appropriate ratio of trace elements than formula milk, and breastfed infants rarely develop allergies, whereas formula milk is prone to allergies or digestive and absorption problems. In addition, human milk is richer in lactose B, unsaturated fatty acids, etc., which is good for brain development and intestinal motility. However, human milk contains less vitamin D than formula milk. Breastmilk contains irreplaceable immune components, which can enhance the immunity of infants. Breastfeeding is also conducive to a close mother-infant relationship and enhances the physical and mental health of infants. It is recommended that mothers who are in a position to breastfeed try their best to breastfeed, and those who have insufficient breastmilk can supplement it with formula milk, and those who suffer from mastitis, epilepsy, severe heart disease and other diseases that make breastfeeding unsuitable can also choose to feed their babies with formula milk.