It is not normal for a baby to poop once a week, which may be related to constipation. Under normal circumstances, the baby should defecate 1~2 times a day, or once every 2 days, the character of defecation, mainly yellow soft stools, if more than 3 days without defecation, indicating that the baby appeared constipation, if a week before defecation, indicating that the baby exists in serious constipation or intestinal diseases, such as congenital megacolon or intestinal obstruction, and so on. It is not normal for a baby to poop once a week, parents need to observe the nature of the baby’s stool, if the stool is dry and hard or a grain, the baby is difficult to defecate, it means that the baby has a fire, indigestion and other conditions caused by constipation. If the baby’s stool is normal, not dry or hard, it means that the baby’s diet is insufficient, i.e., too little to eat, and there is not enough food residue to stimulate defecation.