If the baby pulls green stool with sour smell, this situation is considered to be caused by the following reasons: 1, gastrointestinal dysfunction caused by the reason for green stool, sour smell is more obvious, often due to excessive diet, such as feeding milk, or eating too much meat food at once, which leads to abnormal stool situation. For this situation, you only need to appropriately reduce the amount of feeding, eat some Chinese medicine to eliminate food and guide stagnation, such as Wang’s Bao Chi Wan, Shen Qu oral liquid, etc., the stool abnormalities will be significantly relieved; 2, caused by acute gastroenteritis, this situation in addition to abnormal stool, often accompanied by abdominal pain, fever and other accompanying symptoms, to timely anti-infection treatment, such as the application of three generations of cephalosporin drugs for treatment.