Problem analysis: diarrhea is caused by indigestion, and lactose intolerance is not ruled out. It is necessary to give the child a routine stool examination. If you have abdominal distension, you should use clove to stimulate appetite and promote digestion, relieve abdominal distension and improve symptoms. & ltbr/>； Suggestion: loose stools. It is suggested to use montmorillonite powder together to keep the stool shaped and white blood cells appear in the stool. It is suggested to add cephalosporin or amoxicillin to eliminate inflammation, lactase tablets to improve green stool, and Mamiai to adjust intestinal flora imbalance and improve symptoms.