Six months of the baby’s green stool may be a normal phenomenon, with the addition of green vegetables supplemental food; there may be abnormal phenomena, such as indigestion or gastroenteritis, etc., the need for timely diagnosis, early implementation of symptomatic treatment. 1. Normal phenomenon: due to the six-month-old baby as well as the ability to add green vegetables supplemental food, such as spinach, celery, etc., supplemental green pigment components lead to the baby’s green stools, which belongs to the normal physiological response, with the gastrointestinal tract digestion and absorption enhancement, the symptoms will gradually disappear. 2. abnormal phenomenon: due to the six-month baby digestive function is still relatively weak, if eating cold, greasy, spicy food or cold, it is easy to lead to indigestion or gastroenteritis symptoms, showing symptoms of green stools. This is a pathologic manifestation of the need to consult a doctor in a timely manner, and follow the doctor’s instructions for treatment. Parents are advised to strengthen the daily care of the baby, supplemental food should be added reasonably, to ensure balanced nutrition, meat and vegetables, to avoid increasing the burden on the gastrointestinal tract.