In most cases newborn diarrhea is related to breast milk, but there are many causes of diarrhea. In many cases, newborn diarrhea is related to breast milk. Newborns are usually breastfed, and if the mother eats spicy, irritating foods, or cold, indigestible foods, etc., they may be delivered to the baby through the milk, which can cause irritation to the baby’s delicate stomach and intestines, resulting in the baby’s diarrhea. But there are a variety of causes of diarrhea, leading to diarrhea in newborns and food accumulation, cold, enteritis and other reasons, so we need to find the cause of the baby’s diarrhea, in order to target the treatment. If a newborn baby has diarrhea, it is important to consult a doctor in time to avoid delay.