Patients with constant diarrhea but no stomach pain are likely to have chronic colitis, colon polyps, or functional colon disease, which need to be clarified by e-colonoscopy. If the patient is diagnosed with chronic colitis, he needs to be regulated with drugs such as Pefixan or Jin Shuangqi plus compound glutamine enteric granules; if the patient is examined for colon polyps, he needs to undergo electrocoagulation and electrosurgery of polyps under e-colonoscopy; if e-colonoscopy does not reveal congestion, redness and swelling of the colonic mucosa, the patient is mostly considered to have functional disease, i.e. functional colon disease, which is directly related to peristaltic dysfunction of the intestine and intestinal flora dysbiosis. It is directly related to intestinal peristaltic dysfunction and intestinal flora dysbiosis, which can be regulated with drugs such as trimebutine maleate plus rectified intestine or pefixan. When you have the above symptoms, you should eat a light diet and not drink alcohol.