There is no fixed value for the number of bowel movements in the early stages of bowel cancer. Depending on the individual, it often manifests itself as a change in bowel habit and character, with constipation, diarrhea, and alternating constipation and diarrhea. There is no fixed value for the number of bowel movements in the early stage of bowel cancer, and the situation may be different for each individual. Overall, it manifests as a change in bowel habits and stool traits, which should be compared with what the individual has had. In addition, symptoms such as abdominal pain, anemia and low-grade fever may also be present. Narrowing of the intestinal lumen due to the growth of the tumor in the lumen may result in thinning of the stool, constipation, and the frequency of bowel movements may decrease. Breaks in the cancer may cause blood or mucus on the surface of the stool, which sometimes cannot be seen by the naked eye and only appears as positive fecal occult blood. Tumor irritation of the intestines may also cause diarrhea and increased frequency of bowel movements, and some people may have alternating diarrhea and constipation.