Bowel cancer is not necessarily related to farting, some bowel cancers can cause bowel obstruction and stop farting. Bowel cancer is a common malignant tumor occurring in the intestines, mostly located in the colorectum. Some bowel cancers in the middle and late stages may have the symptoms of intestinal obstruction, patients may have the symptoms of abdominal distension and constipation, abdominal distension or paroxysmal colic, and they may stop farting due to intestinal obstruction. In addition, patients may have symptoms such as increased frequency of bowel movement, diarrhea, constipation, blood, pus or mucus in feces. Early detection, diagnosis and treatment of bowel cancer can have a great positive impact on the prognosis. Therefore, for people with high incidence of bowel cancer, such as those with colon polyps and family history of bowel cancer, they should have regular review. They should pay attention to their diet, eat less and more frequent meals, face the disease with a positive mindset and cooperate with the treatment to avoid more serious situations.