The two-month-old baby did not poop for five days, may be and save belly, constipation, congenital megacolon, intestinal obstruction and other factors related to the treatment of daily care, medication, surgery and other ways. 1. save belly: save belly usually occurs in 2 months to 3 months of infants, will not affect the baby’s state of mind and dietary patterns, this situation does not need to worry too much, you can be in the baby sleeping, gently rubbing the baby’s abdomen. 2. Constipation: two-month-old infants who are not fed properly, especially those on formula milk, are likely to be constipated, and can be treated with probiotics such as Bacillus subtilis diphtheriae and other medications, drinking water appropriately to soften the stools, and using corkscrew to help with defecation if necessary. 3. Congenital megacolon, intestinal obstruction: If the baby does not poop for 5 days, and the mental state of depression, decreased appetite, crying and restlessness and other phenomena, may be congenital megacolon, intestinal obstruction and other factors related to the proposal to the hospital in a timely manner to confirm the diagnosis, through the surgical treatment. The two-month-old baby did not poop for five days recommended timely to the hospital for relevant examinations, clear cause of the disease after active symptomatic treatment, in addition to the above medications are recommended to take under the guidance of a doctor, can not be used on their own.