Some people with poor gastrointestinal function may have diarrhea when drinking beer. Most people drink beer under normal circumstances generally do not appear diarrhea, but beer contains a certain amount of alcohol, the gastrointestinal mucosa caused by stimulation, if the drink is too cold, or gastrointestinal function itself is poor, it may induce acute gastroenteritis and lead to diarrhea. There are also some people because of other dietary factors, such as in the process of drinking beer eating some spicy, stimulating food, may also appear abdominal pain, diarrhea symptoms. Drinking beer diarrhea, it is recommended to consult a doctor in a timely manner, under the guidance of a doctor to determine the cause of the disease and targeted treatment, do not take medication, so as not to delay the condition.