Babies who do not poop for two or three days may be related to improper diet, weak bowel movements, digestive abnormalities, etc., and are usually relieved by general care and medication such as taking probiotics. 1. General care: if the baby does not poop for two or three days, if it is not accompanied by other discomforts, and if the baby’s diet, sleep and spirit are good, it may be a normal situation, and there is no need to intervene too much. If the improper diet may also cause the baby to appear the above situation, it is recommended to give the baby a small number of times to drink warm water, light diet, or clockwise massage abdomen to help defecation. 2. medication: the baby two or three days without stool may be weak intestinal peristalsis, digestive abnormalities caused by constipation, you can take oral domperidone suspension to promote gastrointestinal peristalsis, at the same time can take probiotics, such as bifidobacteria, lactobacillus acidophilus, etc. can regulate the intestinal flora, relieve constipation. If the baby did not poop for two or three days, the symptoms are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner, the drugs should be used under the guidance of a doctor.