The interval and amount of formula feeding is related to the age of the child, the interval is between 3 and 4 hours, the amount of each time is between 20 and 180 ml, and the child eats about 5 to 8 times a day. For newborns, the interval is about 3 hours, the amount is about 20 ml each time, and the child is fed about 8 times a day; for children 1 to 4 months and 4 to 6 months, the interval is about 3.5 to 4 hours or more, and the amount is about 150 to 180 ml each time, and the number of feedings gradually decreases to 6 to 7 for children 1 to 4 months, and the number of feedings for children 4 to 6 months is about 5 to 6. The number of breastfeeding times is about 5 to 6 times for 4 to 6 months old children. Feeding formula should pay attention to the amount, it is recommended to usually eat less and more meals to avoid indigestion, the baby can be picked up after eating milk and patted on the back to expel excessive air in the stomach to prevent the baby from overflowing or choking.