Babies generally will not be constipated if they eat bananas. Bananas belong to a common fruit, rich in fiber, after eating can promote gastrointestinal function peristalsis helps digestion, to relieve constipation is helpful. If the baby has constipation, you can let the baby eat more bananas, but you should not eat too many bananas at once, eating too much will directly lead to diarrhea. There are many causes of constipation in infants, such as infants drinking less water or too much protein content of food, etc., may lead to constipation in infants; if infants’ gastrointestinal peristalsis power is relatively poor, slower peristalsis, or anal stenosis, congenital intestinal disorders, etc. can also lead to constipation in infants. If the constipation is serious, or has not been improved, it is recommended to go to the hospital for treatment.