A 3-day-old baby eats 200 to 400 ml of milk. The stomach capacity of newborn babies is very small, usually 30 to 35 ml, at the same time, the secretion of gastric juice is very small. Prescribing milk to newborns as early as possible can reduce the occurrence of physiological jaundice, physiological weight loss and hypoglycemia in infants. The emptying time of the stomach varies according to the nature and type of food, and breastfeeding usually takes about 2 to 3 hours. Newborns are fed 30 to 60 ml per feeding, 6 to 8 times a day. Correct feeding techniques can make the mother physically and mentally happy and relieve mental tension. Before breastfeeding, let the baby push and press with the nose or lick the mother’s breast with the tongue to stimulate the ejaculatory reflex of the breastfeeding mother and promote lactation.