The amount of milk for three-month-old babies is 120~150 ml. The stomach capacity of three-month-old babies is about 100 ml. Due to the difference in physical condition of each baby, the stomach capacity varies, and the amount of milk consumed can be as high as 200 ml and as low as 100 ml. You can find out if your baby’s weight is within the normal range by looking at the baby weight gain curve. Breastfed babies’ stomach empties in 2-3 hours and it is recommended to have 2-3 hours between feedings, while babies who are exclusively formula-fed can be fed at intervals of 3-4 hours. Because three-month-old babies are very easy to choking, gastroesophageal reflux, so breastfeeding mothers breastfeeding should master the correct feeding posture, control the baby’s breastfeeding speed, breastfeeding appropriate to the baby after patting the back, and need to pay attention to breastfeeding the baby’s mouth and nipple do not leave a gap, so that babies do not inhale too much air. If the amount of milk of pregnant mothers is insufficient, under the guidance of a professional doctor to supplement the appropriate formula for the growth and development of infants.