The baby’s green stool is often caused by hunger, cold, indigestion, improper choice of milk powder, it is recommended to feed reasonably and avoid the baby’s cold, in order to improve the baby’s green stool. 1, hunger: the baby’s hunger can stimulate the gastrointestinal peristalsis to speed up, bile secretion increases, thus causing the stool to be green. When mixed feeding, to master a reasonable amount of feeding and feeding times, to avoid feeding too little, resulting in baby hunger discomfort; 2, cold: cold can cause the baby intestinal peristalsis accelerated, resulting in the intestinal tract inside the bilirubin is not converted, that is, from the stool, the bilirubin contained in the stool is oxidized into bilirubin, thus appearing to discharge green stool. In daily life, attention should be paid to keeping the baby warm, avoiding cold, adding clothes appropriately, the mother can also rub the heart of the hand hot placed in the baby’s umbilicus to relieve the symptoms of cold; 3, indigestion: the baby’s digestive system is not yet well developed, mixed feeding, milk powder is not as good as breast milk digestion and absorption, may lead to a reduction in the number of bowel movements, stool in the intestinal tract for a longer period of time, and then appear green stool, usually with milk flaps, sour. This is usually accompanied by milk flaps and a sour odor. The mother should pay attention to a light diet and avoid oily, spicy and stimulating foods. The baby can take appropriate oral probiotics, such as Bifidobacterium bifidum, Bacillus subtilis diphtheriae, etc. You can also take the compound chicken naijin san for treatment under the guidance of a doctor; 4, improper choice of milk powder: the nutritional elements of milk powder do not match the baby’s age, resulting in indigestion, which can lead to green stools. In addition, if the content of iron in the formula is more, iron can not be completely digested and absorbed, with food residues out of the body, you can appear green stool situation. It is advisable to choose a formula that is easy to digest for your baby’s age, so as to reduce the green stools of your baby.