White stools in infants may be caused by indigestion and biliary system problems. 1. Indigestion: Because the infant gastrointestinal system is still immature, if not fed properly, it is easy to exceed the digestive capacity of the infant gastrointestinal tract, leading to indigestion, resulting in milk powder or breast milk can not be fully digested and absorbed, which may cause the phenomenon of white stools. 2. Biliary system problems: common in congenital biliary atresia, may lead to the body of the child bile can not be discharged into the intestinal tract, can not form bilirubin, may cause infants to pull white stools, accompanied by jaundice. White stools in infants may also be caused by other reasons. After eliminating the physiological factors, you should consult a doctor as soon as possible to clarify the cause and give targeted treatment.