Treatment of diarrhea needs to be directed at the cause of diarrhea, and there are mainly the following treatment options: i. If the diarrhea is caused by indigestion or intestinal flora imbalance, lactobacillus tablets, Bacillus licheniformis live capsules, montelukast can be taken appropriately. Second, if the acute gastroenteritis is caused by unhygienic diet, you can take Flavopiridol, Bifidobacterium tetrasporium tablets, rectify intestinal raw. Third, if the diarrhea is caused by chronic enteritis and other organic lesions, you need to go to the Department of Gastroenterology for further consultation, through routine stool examination, colonoscopy to clarify the diagnosis, and then targeted treatment. If the diarrhea symptoms are serious, you need to consider infusion therapy to avoid dehydration and electrolyte disorders.