Baby megacolon may be accompanied by constipation, bloating, vomiting and other aspects of the symptoms, its symptoms and constipation is somewhat similar, in the case of uncertainty can be identified by barium enema. Baby megacolon first obvious symptom is constipation, also accompanied by abdominal distension, vomiting, crying and restlessness and other adverse reactions, this disease is easy to confuse with ordinary constipation, especially one month to three months of the baby, if often appear constipation, it may be megacolon, in the case of uncertainty, the parents can also take their babies to the hospital for barium enema to rule out the diagnosis. Megacolon is a congenital disease, and most babies are screened after birth to detect dilated intestinal tubes.