The stool is dilute: The stool is dilute. Babies who are not full-term, especially breast-fed, have more lactose, if the baby is intolerant to lactose, it is easy to have dilute stool, plus the baby’s anal sphincter contraction force is poor, may bring out the stool on each diaper. For some babies, if they continue to gain weight and increase by 1 kilogram at full term, don’t worry; but for some babies, because of the accelerated intestinal peristalsis, there may be abdominal pain, bloating and other discomforts, and more crying, followed by reduced appetite, timely measures should be taken to avoid affecting development. On the one hand, pregnant mothers should control the intake of fats and oils, and drink a bowl of plain water 20 minutes before each feeding, with the aim of diluting the milk.