Patients have diarrhea after eating barbecue this situation, there are two factors: First, barbecue is not cooked, it can cause acute gastroenteritis, resulting in diarrhea, often accompanied by abdominal pain, fever symptoms, need to laboratory tests stool routine plus blood routine to clarify. Second, eating too much barbecue, in which the food is not digested, can also cause functional diarrhea, manifested as diarrhea, may not be accompanied by abdominal pain, fever and other symptoms. In case of acute gastroenteritis, anti-infective treatment with norfloxacin or cephalosporin antibiotics is required. If the patient only has diarrhea without fever or abdominal pain, consider regulating with drugs such as multi-enzyme tablets plus rectified intestine. When diarrhea symptoms are heavy, you can use montelukast to stop diarrhea treatment, temporarily do not eat spicy, fried and other irritating food, to light food.