Baby stool is gray, generally can be caused by indigestion, liver and gallbladder disease and drugs, need to go to the hospital to check the stool routine, clear causes, and then symptomatic treatment, common causes and treatment methods are as follows: 1, indigestion: mainly due to improper diet, intestinal flora disorders, digestive function is not yet sound, often accompanied by abdominal distension, refusal to milk, crying and other performance, can be recommended by the doctor, the use of probiotics Probiotics can be used to regulate the intestinal flora and help digest food under the advice of the doctor. For infants who have not yet added complementary foods, formula can be replaced appropriately to alleviate the symptoms of indigestion; 2, liver and biliary diseases: mostly due to viral infections, such as cytomegalovirus infection, congenital metabolic abnormalities, biliary atresia, bile duct dilatation, intrahepatic bile duct dysplasia and other causes of liver and bile blockage, bile stasis, etc., and bilirubin can not be excreted with the stool. Normal stool is brownish-yellow due to the presence of bilirubin, while stools lacking bilirubin change in color and appear grayish-white or clay-colored. Under the guidance of a professional doctor, you can choose surgical treatment for biliary obstruction, by using liver-protective and biliary drugs to treat biliary stasis, such as ursodeoxycholic acid, etc.; 3, drugs: after using certain drugs, the baby’s stool will also be gray, such as diarrhea babies, for example, after taking Similac can appear, the stool can return to normal on its own after stopping the drug. Parents need to prohibit unauthorized use of drugs, so as not to damage the baby’s spleen and stomach, leading to more serious gastrointestinal reactions, but also pay attention to the baby’s bowel movements, such as shape, smell and the number of bowel movements, if found abnormalities need to seek medical treatment in a timely manner.