6 year old baby diarrhea, mainly eat some light, easy to digest food, such as noodles, porridge, vegetables can, as long as do not eat too greasy, too spicy, too cold can be. If you have upper abdominal discomfort, increased stool frequency, watery stool, mucus pus and blood stool, you must do routine stool to see how the stool situation, you can take medication, such as montelukast plus lactobacillus tablets together. If the symptoms of diarrhea do not ease during the period of medication, you must go to the hospital for relevant tests to prevent dehydration and electrolyte disorders, and must be treated with rehydration injections. You must pay attention to your diet, take rest, keep warm, and eat more light food. Be sure to go to the hospital for active symptomatic treatment.