Soy milk for breastfeeding mothers can easily make the baby bloated, especially when some babies have soy protein allergy or intolerance, they are more likely to have intestinal flatulence and even abnormalities such as blood in the stool. When convenient, you can monitor your baby’s stool routine, if there are no red blood cells and occult blood positive changes, the mother can appropriately reduce the amount of food, or appropriately extend the interval of time to eat soy milk and other soy products. When the baby is obviously bloated, the mother needs to suspend the intake of soybean milk and other soybean products for a short period of time. At the same time, appropriate treatment for the baby’s flatulence, such as clockwise massage of the abdomen and oral probiotics for babies to regulate the intestinal microecology. When bloating is serious, you can also stimulate the baby’s anus with a cotton swab dipped in soap foam to promote exhaustion and defecation and relieve bloating. Babies with obvious abdominal distension, no exhaustion and defecation, and babies who cry for a long time need to be seen by a hospital in time.