50 days of baby pooping hard to cry can be seen in constipation, congenital megacolon, need to combine with the baby’s situation for specific analysis. 1. constipation: mostly refers to the defecation interval is significantly longer or difficult to defecate, for the 50-day-old baby such as previous normal bowel regularity, “defecation effort to cry”, that there is constipation, the need for timely intervention, some of the babies can be due to the dryness of stools affecting the defecation, the emergence of local intestinal mucosal damage to the phenomenon of bloody stools. 2. Congenital megacolon: these babies often have a history of delayed expulsion of meconium, the above phenomenon can occur, through the enema or the use of corkscrew and so on can alleviate the symptoms of constipation, severe clinical vomiting, abdominal distension and other symptoms, some of them have intestinal obstruction, dyspepsia, etc., perfect abdominal radiographs can assist in the diagnosis, need to be actively consulted for treatment. It is recommended to consult a specialist for evaluation and judgment when necessary.