The color of stool is green, which can be caused by dietary factors, indigestion, intestinal infections, and so on. 1. Dietary factors: generally caused by eating more green vegetables, due to the large amount of chlorophyll in green vegetables, which can easily lead to green stools, and often the stools are more dilute, but there are no other uncomfortable symptoms. 2. Indigestion: When there is indigestion, some nutrients in the food can not be absorbed because the intestinal absorption function will be affected, for example, iron can not be absorbed, and it will be oxidized in the intestines, which will lead to green stools. 3. Intestinal infections: for example, acute enteritis, bacterial dysentery, etc., often lead to green stools, and accompanied by diarrhea symptoms. Green stools may also be caused by other reasons, if accompanied by discomfort, symptoms should be promptly to the hospital, to identify the causes, targeted treatment.