Frequent diarrhea needs a clear cause, such as irritable bowel syndrome, chronic colitis, colon polyps, colon tumors, etc., to be targeted treatment. 1. Irritable bowel syndrome: due to mental stress, irregular work and rest caused by diarrhea, there is no organic lesions, need to maintain a happy mood, adjust the work and rest, if necessary, to be loperamide and other antidiarrheal drugs, amitriptyline and other antidepressant treatment. 2. Chronic colitis: chronic colitis will appear recurrent diarrhea, this time you need to perform routine blood, routine stool, colonoscopy and other definitive examination, to be levofloxacin and other anti-inflammatory, bacillus subtilis bacillus regulating intestinal flora and other treatments. 3. Colon polyps: due to genetic and chronic inflammation stimulation, polyps can appear in the intestines, resulting in diarrhea, abdominal pain and other symptoms, at this time, it is recommended to perform gastrointestinal endoscopic resection. 4. Colon tumor: diarrhea caused by colon tumor requires surgery, chemotherapy and other treatments. Frequent diarrhea also need to consult the doctor immediately to clarify the cause of the disease and follow the doctor’s instructions, so as not to delay the treatment.