Beer diarrhea is not normal and is mostly caused by gastrointestinal dysfunction. It is generally related to digestive malfunction or irritable bowel syndrome, as well as gastrointestinal dysfunction caused by irregular diet. First of all, we need to pay attention to dietary habits, more light food as the main. Secondly, pay more attention to the proper combination of work and rest to improve the physical condition. Finally, appropriate drug treatment, clinically commonly used are bifidobacterium capsules to regulate intestinal flora, glutamate tablets to sedate and help sleep, pivotal ammonium bromide tablets to promote gastric motility and other symptomatic treatment. If repeatedly missing relief, accompanied by gastrointestinal cramps or abdominal pain, as well as nausea, vomiting and other uncomfortable symptoms, you need to improve the ultrasound, stool routine and other tests, if necessary, improve the gastroscopy to further clarify the cause.