The green color of stool is related to eating a lot of green vegetables, and some people are caused by indigestion and imbalance of intestinal flora.1, the color of stool is affected by diet, and some people like to eat some green vegetables in their diet. Green vegetables are rich in chlorophyll, this natural pigment will not be digested and absorbed by the body, so it will lead to the color of feces green. But as long as the nature of the stool is normal, it shows that the intestinal tract is healthy. 2, there is indigestion, the intestine will be accompanied by a large amount of undigested food, which will cause stimulation of the intestine, resulting in faster intestinal peristalsis, because of the relatively short time that the stool remains in the intestine, so the nature of the stool is acidic, bilirubin in the acidic environment will be oxidized to bilirubin, resulting in green stool color. 3, the intestinal tract The color of feces will be affected by the proliferation of harmful bacteria in the intestine, especially when there is an overgrowth of Pseudomonas aeruginosa in the intestine, which will lead to the green color of feces.