A one-month-old baby’s stomach rumbles because the gastrointestinal tract digestive dysfunction, intestinal sound enhancement caused by. If the baby’s stomach rattling at the same time fart stinks, indicating that the baby indigestion, if the stool is green, is caused by intestinal peristalsis, these are not the manifestation of the disease, do not need special treatment, you can moderately reduce the amount of breastfeeding, pay attention to the abdominal warmth, at the same time, breastfeeding mothers should pay attention to the regulation of the diet, do not eat cold and irritating food. The baby breastfeeding nipple containing the wrong posture, or bottle baby nipple size is not appropriate, there will be a large amount of air into the baby’s stomach, causing bloating or stomach grumbling, breastfeeding should pay attention to let the baby to contain the nipple and most of the areola, with a bottle of the baby to choose the right size of the nipple, to prevent the swallowing of large amounts of air, breastfeeding should be allowed to let the baby on the adult’s shoulder, patting the baby’s back, so the baby out of the stomach excess air. The baby should be allowed to lean on the adult’s shoulder and pat the baby’s back after feeding, so that the baby can expel the excess air in the stomach. At the same time, pay attention to observe the baby’s other manifestations, if the baby is accompanied by severe spitting up, bloating, loose stools, frequent and so on, it is likely that the baby has diarrhea, due to the baby is too small, this situation should not be dealt with at home, it is recommended that the baby take the baby to the hospital for medical treatment under the guidance of the doctor.