Vegetables eat more than the cause of green stools mainly consider vegetables contain too much green pigment, as well as dyspepsia, irritable bowel syndrome and so on. 1. Vegetables contain too much green pigment: consuming too many green vegetables such as spinach, leeks, cabbage, etc. can make the excess green pigment is not absorbed, thus attached to the feces appear green stools. 2. Indigestion: the green pigment on vegetables cannot be fully digested and absorbed, thus leading to green stool. 3. Irritable Bowel Syndrome (IBS): non-organic pathology, manifested by abdominal pain or discomfort, bloating, diarrhea or constipation. May be accompanied by nausea, vomiting, etc., diarrhea can be more serious green stool. It is important to note that biliary tract diseases, bismuth and iron supplements can cause green stools. If green stools persist or are accompanied by other symptoms, it is important to go to the hospital for treatment to identify the cause.