Diarrhea in breastfed newborns is mostly considered to be caused by improper diet of the breastfeeding mother and breastfeeding diarrhea. There is also the possibility that the newborn is allergic to milk proteins, when breast milk is not properly preserved, can also lead to diarrhea in newborns, need to go to the hospital for examination, to clarify the cause of treatment. Common causes and treatment: 1, breastfeeding mothers improper diet: breastfeeding mothers consume spicy and irritating foods or some drugs in their daily diet, can affect the newborn through the breast milk, resulting in diarrhea in newborns. Can be given a hot compress or follow the doctor’s instructions to the newborn feeding probiotics; 2, breast milk diarrhea: mostly due to the newborn’s lactose intolerance. The main manifestation is that the frequency of stools, stools are foamy watery, sour odor, mixed with foam and milk petals, and in the mother after eating dairy products diarrhea will be aggravated, stool routine is not abnormal. The diarrhea is physiological, and breastfeeding can be continued, but the number of feedings should be limited, and breastfeeding should be done at regular intervals as much as possible. It is recommended that lactase supplementation be given to the newborn before breastfeeding to alleviate diarrhea, and lactose-free milk powder can also be replaced. If diarrhea is severe, dehydration, need to seek medical attention; 3, milk protein allergy: newborns belong to the milk protein allergy, newborns need to avoid eating food containing milk ingredients, breastfeeding mothers can not drink milk or eat other milk products, you can also choose to use formula feeding; 4, improperly preserved breastmilk: If breastfeeding babies are mothers using a breast pump sucked out in a bottle to feed, if the The process of breast milk is not properly preserved, may lead to breast milk deterioration, resulting in newborn diarrhea, can be oral montelukast to stop diarrhea. Precautions: breastfeeding newborns diarrhea, parents need to pay close attention to its mental state and dehydration, diarrhea is serious can be orally Simida, if necessary, can be appropriate to the newborn rehydration; mothers should also pay attention to a light diet, avoid eating cold, spicy and stimulating food.