The baby is considered to be lactose intolerant, functional dyspepsia and other diseases, you can take medication. 1. Lactose intolerance: for lactose intolerance caused by the children eat breast milk, parents can be under the guidance of the doctor to give the children oral bifidobacteria and other probiotics to regulate the intestinal flora, but also oral lactase to regulate. 2. Functional dyspepsia: Functional dyspepsia can also lead to diarrhea when the child drinks breastmilk, parents can follow the doctor’s instructions to give the child bifidobacteria, bacillus licheniformis and other intestinal flora regulator to regulate the phenomenon. Can also be taken orally, such as compound pepsin powder to help digestion. If your baby has symptoms of diarrhea when breastfeeding, it may also be caused by irritable bowel syndrome, colitis and other diseases, parents should take their children to the hospital in time, and follow the doctor’s advice. The above medications should be used in accordance with medical advice.