Diarrhea in a 14-month-old baby is mostly due to functional indigestion caused by improper feeding and requires attention to eating less and more. If breastfeeding, the mother should pay attention to the diet, mainly easy to digest, liquid, semi-liquid diet, avoid taking spicy and stimulating, greasy food. If you are formula feeding, do not make the formula too thick or too thin, at the same time, you can give your baby Mamie’s love, probiotics, to regulate the baby’s intestinal flora imbalance, you can use hot water bags, hot towels hot compresses baby’s tummy, at the same time to avoid abdominal cold, so as not to aggravate the situation of diarrhea. At the same time, you can feed your baby more water, especially sugar and salt water, to replenish salt and sugar. If the baby is combined with obvious nausea and vomiting, fluid infusion is needed to replenish energy and nutrition.