The treatment of anal bleeding caused by constipation in a one-year-old baby usually has the following treatment principles: 1, to determine whether the baby’s constipation is organic constipation or functional constipation, if the baby has had good bowel movements in the past, it is mostly considered to be functional constipation, such as constipation caused by intestinal dysfunction during this period, if organic lesions are suspected, to go to the hospital for relevant examinations. 2, anal bleeding is mostly due to The first drug is lactulose, which can be used for about half a month to soften the stool, and can also be applied to open-cell, intestinal Probiotics, etc. to relieve constipation.