Seven-month-old babies with green loose stools need to be identified. If the baby is formula-fed, the iron in the formula is not fully absorbed, which can lead to the appearance of green loose stools. In addition, may be caused by indigestion, hunger, gastroenteritis, etc., can be treated through drugs, generally good prognosis. 1, indigestion: improper diet, abdominal cold, infection and other factors can lead to baby indigestion, and then appear to discharge green stools. It can be treated by oral rehydration salts, bifidobacteria and other drugs, rehydration and regulation of intestinal flora. Attention should also be paid to drinking more water to avoid dehydration. If the diarrhea is serious, oral montelukast can be taken under the guidance of the doctor to play the role of astringent anti-diarrhea and protect the gastric mucosa; 2, hunger: If the baby is formula-fed, when the intake of milk powder is insufficient, it can cause the intestinal peristalsis to accelerate, resulting in the mixing of food residues and bile, thus forming green loose stools. This situation should pay attention to reasonable feeding, according to the baby’s age to give the appropriate amount of milk and feeding times, so as to relieve the baby green stool symptoms; 3, gastroenteritis: if the diet is unclean, cold, bacterial or viral infection, can lead to the baby gastroenteritis, because seven months of the baby’s spleen and stomach function is weak, resulting in malabsorption, food or milk powder in the iron can not be completely absorbed, and then appear green The phenomenon of thin stool, can follow the doctor’s advice oral montelukast for treatment. The baby should be fed seven months should pay attention to control the amount of milk and the number of feedings, to ensure that the complementary food clean and hygienic, avoid cold, so as not to induce gastroenteritis.