3-year-old baby a few days without poop may be related to indigestion, constipation, etc., can be through the massage, dietary adjustments, the use of medication to alleviate the symptoms. 1. indigestion: 3-year-old baby intestinal peristalsis is relatively slow, prone to indigestion caused by the phenomenon of a few days without stool, you can massage the baby’s abdomen, to help intestinal peristalsis, to help solve the stool, at the same time, you can adjust the diet, give the baby to eat more fiber-rich foods, such as a variety of vegetables, melons and other foods, in order to promote the baby’s bowel movements. 2. constipation: baby a few days without poop may also be constipation, you can use lactulose oral solution treatment, promote intestinal peristalsis, to help discharge stools. If necessary, can be given to the Kai Sei Nui to promote the discharge of stools. It is recommended that the 3-year-old baby a few days do not poop timely take the baby to the hospital for examination, under the guidance of the doctor treatment. The above drugs need to be used in accordance with medical advice.