A baby’s hard tummy is usually considered to be caused by indigestion, intestinal obstruction, acute appendicitis, or congenital megacolon. You need to go to the hospital in time to clarify the cause and then treat it. Common causes and treatments 1, indigestion: due to the baby’s young age, the gastrointestinal tract function has not yet developed sound, food accumulation in the gastrointestinal tract can not be discharged in a timely manner, there will be the symptoms of a hard tummy. You can appropriately give your child probiotics, lactobacillus tablets, etc. to adjust the intestinal environment; 2, intestinal obstruction: in addition to a hard tummy, there are also symptoms such as vomiting, anal stopping defecation or exhaust. If the situation of stopping defecation lasts for a long time and the child’s abdomen swells up and refuses to be touched, the possibility of intestinal obstruction needs to be considered. To go to the hospital in time to do X-ray abdominal plain film and other related examinations, if diagnosed as intestinal obstruction, if necessary, surgical treatment; 3, acute appendicitis: if the child’s stomach hardening appears in the right lower abdomen, accompanied by pressure pain, and abdominal pain is serious and unbearable, need to immediately go to the hospital to do B ultrasound, X-ray abdominal plain film, blood tests, if diagnosed as appendicitis, or appendicitis perforation caused by the plate abdomen, need to immediately 4, congenital megacolon: If the baby has a hard tummy and has not defecated for a long time, it should also be considered congenital megacolon and should be treated with surgery in a timely manner. The child’s daily diet should be light, easy to digest food, avoid eating too much greasy or spicy stimulating food, eat more fresh vegetables and fruits. At the same time, more physical exercise is needed to improve the body’s immunity and promote the peristalsis of the gastrointestinal tract.