Baby bloating is abdominal distension, can be due to the intestinal cavity or abdominal cavity accumulation of gas, fluid, as well as huge intra-abdominal mass or hepatosplenomegaly caused by the most common gas bloating. Baby bloating is the most important symptom is the belly is bigger. Because the baby’s small belly is exceptionally delicate, and the abdominal wall muscles are not yet mature, there is not enough power to bear a large number of organs as well as a large amount of gas, the abdomen will appear to be more protruding, especially when the baby is held, the abdomen will appear to protrude and sagging. On palpation, the abdomen will be hard and sound like a drum when knocked, and a gurgling sound will be heard when the ear is close enough to listen. In addition, if the baby’s abdominal distension is obvious, accompanied by frequent nausea and vomiting, the spirit will be very poor, and will also show irritability, crying, loss of appetite and refusal to eat. Some babies will have dry stools, have difficulty in defecation and stop passing gas. If your baby’s bloating is accompanied by jaundice, white stools, bloody stools, tarry stools, and fever, you should be alert to the onset of the disease. Severe and persistent abdominal distention is often a sign of critical condition, and needs to be examined in the hospital as soon as possible, so as not to delay the baby’s optimal treatment time.