Green stool is mostly seen in dietary factors, drug factors, pathological factors and so on. 1. Dietary factors: may be caused by eating too much green vegetables, green vegetables contain a lot of chlorophyll, which will lead to green stools. Generally, no special treatment is needed, and the symptoms can be improved after adjusting the diet. 2. Drug factors: patients are taking certain drugs, such as indomethacin, bismuth potassium citrate, etc., due to drug metabolites, which may cause stools to turn green. 3. Pathological factors:Most often seen in functional dyspepsia, acute gastroenteritis and other causes, intestinal peristalsis dysfunction, which may lead to the patient to appear in the stool greenish-green symptoms. In addition, intestinal flora imbalance, can also lead to green stool. If the green stool is still not relieved after adjusting the diet, it is best to go to the hospital in a timely manner, and cooperate with the doctor to do routine stool examination, clear diagnosis and then targeted treatment.