The child was more than 4 months old and had a history of delayed meconium excretion after birth, and defecation started after giving enema stimulation. She had bowel movements on her own during the day, but the amount of bowel movements was small and dry, accompanied by abdominal distension. This time, he vomited after feeding, and his abdominal distension worsened, and he had no anal discharge or defecation. In the emergency, a dissection was performed and a perforated colon with dilated and hypertrophied colon and more dry and hard stools in the intestinal cavity was seen. The abdominal plain film showed complete intestinal obstruction, the child’s abdominal distension was obvious, and the sigmoid colon was found to be perforated, the colon was dilated and hypertrophied, and the feces in the intestinal cavity had been aspirated.