Infants lying on their stomachs, you can massage the baby’s abdomen to speed up the peristalsis of the intestines and stomach, to promote the exhaust. Infants lying on their backs to exhaust the general need to massage 15-20 minutes each time, lying on the time should not be too long. Because the baby is small, the bones are not yet fully developed, long time lying on the bone development is not favorable. Prolonged lying down will also compress the respiratory system, resulting in respiratory obstruction, dyspnea, asphyxia and so on. Parents should pay close attention to the infant lying down to prevent blocking the mouth and nose caused by asphyxiation, can be the baby’s head to one side. In addition, the infant abdominal distension is particularly strong when not prone, abdominal distension will be serious pressure on the abdominal organs, lying down will make the abdominal compression symptoms more serious, the abdominal organs of health hazards. Infants lying down to exhaust depends on the degree of flatulence, when the baby’s abdomen is slightly distended, can lie down to exhaust, but if the abdominal distension is serious, we should go to the hospital as soon as possible for examination and treatment.