If a baby has a white colored stool from milk powder, it may be caused by indigestion, congenital biliary atresia, infantile cholestasis, etc. The baby may have a white colored stool from milk powder. 1. indigestion: some of the baby intestinal absorption ability is general, or for protein can not be better absorption and other factors, will lead to protein clots with the stool along with the discharge, appeared to eat milk powder pull white stools. 2. congenital biliary atresia: congenital biliary atresia is mostly seen in infants, due to infections and other reasons leading to biliary atresia, so that the bile can not be discharged from the body in a timely manner. These patients mainly show white clay-colored stools, jaundice, yellow-brown urine, and so on. 3. Infantile cholestasis: The lack of bile in the intestines can make the feces pale in color or even grayish white. In addition, this kind of patients will also because of bile acid reduction, will cause fat soluble vitamins and fat absorption obstacles, malnutrition. The baby eating milk powder poop white, there may be other reasons, it is recommended to go to the hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.