Causes of children’s stool a little green mainly include the following reasons: first of all, children’s abdominal cold, children’s abdominal cold will stimulate the children’s gastrointestinal peristalsis significantly accelerated, leading to the duodenum and other intestinal discharge of bile very quickly, resulting in children’s stools become green; parents only need to let the children pay attention to warmth, and can be used to apply a bag of warm water to the navel; the second is the cause of acute gastroenteritis, if the children suffer from bacterial or viral cause of acute gastroenteritis, it also can lead to children’s gastrointestinal peristalsis significantly increased fast, the stools also appear green, and there may also be abdominal pain, fever, and other accompanying symptoms.