The stool is green, divided into two cases: 1, the first few days after the baby is born, the stool is green because the baby is excreting meconium, the color of meconium is green. 2, the adult stool is green, mostly seen in eating more leafy greens, when eating a lot of green ingredients after digestion and absorption through the gastrointestinal tract, the final food residue because of the green pigment residue is showing green. Poor digestive function and then eat meals after the gastrointestinal tract function is reduced, most of the food in the form of prototypes into the intestinal cavity to form stools, can also lead to green stools. If there is no abdominal distension, abdominal pain can adjust the diet structure, meat and vegetables, if accompanied by abdominal distension, abdominal pain can be treated with oral medication to help digestion.