The baby’s tummy is hard and cries all the time, mostly due to pediatric indigestion, constipation, intestinal obstruction, congenital megacolon and other reasons, need to go to the hospital for examination and treatment after clarifying the cause. 1, indigestion: improper diet plus incomplete development of the baby’s digestive system, easily lead to pediatric indigestion. The manifestation is abdominal distension, crying, bad breath, loss of appetite or refusal to eat and other symptoms. In mild cases, the baby’s abdomen can be warmed or massaged. If it cannot be relieved, it is recommended that probiotics and pediatric pills be given as prescribed by the doctor to relieve the symptoms. Parents can take a small number of meals when feeding, while paying attention to abdominal warmth, avoiding cold; 2, constipation: baby tummy hard, also accompanied by abdominal pain, bowel difficulties and other symptoms. Light massage, anal smear fragrance oil can be relieved, if not relieved need to promptly consult a doctor, follow the doctor’s instructions to be lactulose, open plug for defecation, if necessary, enema treatment. Babies usually need a light diet and drink more water to relieve the symptoms of constipation; 3, intestinal obstruction, congenital megacolon: in addition to a hard stomach, crying all the time, accompanied by vomiting, severe pain, unable to exhaust defecation and other symptoms, need to be alert to the possibility of intestinal obstruction, congenital megacolon. If it is intestinal obstruction, you need to follow the doctor’s advice to abstain from food and water, actively treat the original disease, and if necessary, surgery. If it is congenital megacolon, it needs to be treated surgically.