Generally speaking, long-term intestinal discomfort often leads to diarrhea, abdominal pain and constipation, which requires colonoscopy. This is the gold standard for examination, and biopsy can be selected if necessary. It is necessary to go to the anorectal department of a regular hospital in time, do colonoscopy, find out the cause, treat it in time, pay attention to personal living habits at ordinary times, and try not to eat spicy, bean products and other foods that are easy to produce gas, which is conducive to improvement.