Ten months baby pull gray stool is not normal, may be indigestion, gastrointestinal dysfunction, biliary tract obstruction and other diseases. 1. dyspepsia: dyspepsia has a variety of causes, mainly including gastrointestinal dyskinesia, visceral sensory hypersensitivity and so on. The main symptoms are postprandial fullness, middle and upper abdominal pain, diarrhea and so on, which will lead to the phenomenon of pulling gray stools in ten-month-old children, which is an abnormal situation. Pepsin can be taken orally to help digestion. 2. Gastrointestinal dysfunction: The etiology of gastrointestinal dysfunction is still unclear, and it is considered to be caused by a variety of biological, psychological and social factors. Affected children will have abdominal pain, abdominal discomfort, hard stools and other symptoms, which can also lead to ten-month-old babies pulling gray stools, which is an abnormal phenomenon. Oral probiotics such as Bacillus subtilis bacillus can be taken to regulate intestinal flora. 3. Biliary obstruction: biliary obstruction may be due to biliary atresia, biliary ascariasis and other factors, the child will have abdominal cramps, jaundice and other symptoms, can also lead to ten-month-old babies have a gray stool performance, is also abnormal. It is necessary to seek timely medical treatment under the guidance of the doctor, and if necessary, surgical treatment. Ten-month-old babies with gray stools is not normal, parents are advised to bring their children to the hospital in a timely manner, and follow the doctor’s instructions for treatment. The above medications should be used in accordance with medical advice.