Green stool in infants is one of the common symptoms in pediatric gastroenterology, which is generally closely related to external environmental stimulation, dietary irregularities and intestinal infections, etc. The causes are diverse, and the treatment methods are not the same. First of all, it is considered that the immature development of the digestive system of infants, plus external environmental stimuli, such as cold stimulation can cause gastrointestinal dysfunction, at this time you need to pay attention to warmth, while regulating the intestinal flora of drugs such as enterosan, bifidobacteria and other common treatment. Secondly, dietary irregularities, including overfed or overstuffed, both of which will stimulate the gastrointestinal tract to accelerate peristalsis, causing the gastrointestinal tract food to be digested and absorbed in time, this situation requires adjusting the dietary structure, adding appropriate complementary foods, changing eating habits, through dietary adjustments, will usually be significantly improved. Again with gastrointestinal infections caused by peristalsis accelerated, clinically can be accompanied by fever, abdominal pain, diarrhea, nausea and vomiting and other symptoms, at this time it is necessary to carry out the relevant tests such as routine blood and stool routine, if there is an abnormality, then it is necessary to carry out the anti-infective, rehydration and regulation of intestinal flora and other common treatment. In conclusion, according to the different symptoms and causes of infants, complete the relevant examinations and adopt different treatment programs.