"Farting a lot is not necessarily a sign of colorectal cancer. If farting is frequent and accompanied by mucus-like stools, pus and blood-like stools, diarrhea and constipation alternately, then it should be considered that farting is a sign of colon cancer. At the same time, the patient appears to lose weight, then we should consider farting a lot is a signal of colorectal cancer, this time to recommend perfect electronic colonoscopy examination. If necessary, the pathological biopsy should be carried out under the examination of electronic colonoscopy. If only farting a lot, the patient does not have other, obvious discomfort, it should be considered because of intestinal peristalsis, functional dyspepsia caused. You can take some drugs that regulate intestinal flora for treatment.