Diarrhea is a common digestive system disease in clinical gastroenterology, which is mostly caused by dietary factors and intestinal inflammatory infection. It is suggested that quinolone anti-inflammatory drugs, berberine tablets, gentamicin, smecta, Yimengzhi and other drugs have better therapeutic effects. Reasonable supplement of potassium chloride. Pay attention to rest and avoid fatigue and colds. Drink plenty of water to prevent dehydration. Eat less and eat more, and the diet is light and easy to digest, such as millet porridge. Avoid cold, spicy and other irritating foods. If diarrhea is serious, you must pay attention to hydrating and replenishing electrolytes.