Stools that are green in color and stick to the toilet may be caused by intestinal dysfunction, consumption of green food, and so on. 1. Intestinal dysfunction: due to indigestion or irritable bowel syndrome, the stool is easy to appear green and not easy to flush away. At this time, it is necessary to pay attention to the usual to protect the stomach, do not eat cold stimulating things, pay attention to the abdomen to keep warm. If accompanied by abdominal pain, diarrhea, fever and other symptoms need timely medical attention. 2. Food: food is rich in chlorophyll and plant fiber, it is difficult to be absorbed by the body all the cases will be discharged with the food residue, such as spinach, celery, etc., the stool will be green, after stopping eating stool back to normal. If there is no abnormality in your diet and lifestyle, you may consider that it is caused by a disease, and you need to go to the hospital in time for a checkup and targeted treatment.