Six-month-old babies with mucus stools may be due to gastrointestinal dysfunction, gastrointestinal inflammation and other reasons. 1. Gastrointestinal dysfunction: mainly manifested as abdominal distension, abdominal pain, diarrhea, etc., may be accompanied by mucus stool. It is often caused by improper diet and cold abdomen. 2. Chronic enteritis: including bacillary dysentery, Crohn’s disease, etc. (1) Bacterial dysentery: intestinal infection caused by dysentery bacillus. Clinical manifestations are abdominal pain, mucus stools and so on. In severe cases, mucus, pus and blood stools can occur. (2) Crohn’s disease: clinical manifestations of abdominal distension, abdominal pain, diarrhea; mucus stools or pus and blood. If your six-month-old baby has mucus stools, you should go to the hospital in time to clarify the cause of the mucus stools and follow the doctor’s instructions for treatment.