Two months of the baby a few days do not poop consider functional constipation, congenital megacolon, irritable bowel syndrome, etc., can follow the doctor’s prescription medication, if necessary, surgical treatment. 1. Functional constipation: with genetic, dietary habits, gastrointestinal malfunction and other factors related to the condition of the baby after adjusting the diet, appropriate exercise can be relieved. Relatively serious baby can apply lactulose, mannitol and other osmotic laxatives, domperidone and other drugs to promote gastrointestinal dynamics, bifidobacteria and other microecological regulators. 2. Congenital megacolon: some babies can be treated with lactulose, oligofructose and other lubricants as prescribed by the doctor, and can also be used with Keseru, glycerin anal plugs or enemas with 0.9% saline. For the drug treatment effect is not ideal, can be through the enterostomy and other surgical treatment. 3. Irritable bowel syndrome: when the disease causes two-month-old baby a few days without poop, can follow the doctor’s prescription application of polyethylene glycol, lactulose and other laxative treatment. Some babies can also follow the doctor’s prescription with probiotics to regulate intestinal flora, help improve the phenomenon of a few days without poop. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. There are many other factors that can cause a two-month-old baby to not poop for a few days, so it is recommended that you seek medical attention in a timely manner.