Why does the baby of 8 months diarrhea pull green water to defecate

Eight months of baby diarrhea, pull green water stool symptoms, mainly considered to be caused by indigestion. Secondly, also considered to be caused by food accumulation or cold. Suggest to the baby to the hospital to check stool routine. If breast-feeding, the mother should not eat spicy food and too greasy food in the near future.