There are many reasons why a one-year-old baby’s tummy bulges: the first, the muscles on the baby’s tummy are not yet developed, the belly is thinner, so it looks bulging. The second, the baby usually eat more, chubby, so the baby’s tummy looks bulging. The third kind, give the baby to eat more soy-based food, because these foods contain more starch, the baby will form a lot of gas in the body after eating, usually the baby’s stomach will also make a gurgling sound, this situation will make the baby bloated, can appear the baby’s belly bulging situation. The fourth, if the baby accumulation of food, indigestion, poor bowel movement or constipation, there will also be a baby tummy bulge, you can give your baby some probiotics, conditioning the baby’s gastrointestinal tract.