The causes of dilute yellow stools in babies include indigestion, gastrointestinal dysfunction, and viral enteritis. 1. Indigestion: If the baby’s diet is not regular, or if he eats food that is not easily digested and absorbed, it may increase the burden on the stomach and intestines, which may lead to indigestion and the symptom of scanty yellow stools. 2. gastrointestinal dysfunction: due to the baby’s poor abdominal warmth, so that the abdomen is cooled by the cold, may cause gastrointestinal dysfunction, so there will be symptoms such as loose yellow stools, abdominal pain and so on. 3. Viral enteritis: the baby may be infected with rotavirus, so the stools are yellow, dilute water, eggdrop soup-like changes. Severe cases may be combined with dehydration, such as dry lips and mouth, decreased urine output. There may be other reasons for the baby’s loose yellow stools, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.