What is good for a mother to eat when her baby has diarrhea while breastfeeding. On this issue, if the baby has diarrhea, you must let the baby drink more water, you can properly drink some sugar and salt water, you can give the baby to take mamma’s milk or probiotics to regulate the baby’s intestinal flora imbalance, if necessary, take montelukast to stop diarrhea treatment. In the case of breastfeeding mothers, you can let the mother take an easy-to-digest, liquid and semi-liquid diet, avoiding spicy, stimulating and greasy food. At the same time, let the mother pay attention to rest and avoid exertion. You can give the baby an abdominal massage and use a hot water bag or hot towel to warm up the small tummy to avoid the abdomen from getting cold.