There is no scientific basis for the claim that bowel cancer usually itches in three places, bowel cancer usually does not cause itching in the body, itching may be caused by other diseases. In the early stage of bowel cancer, patients may suffer from dyspepsia, occult blood in stool, and as the condition worsens, patients may suffer from habitual change of stool, abdominal mass, blood in stool, abdominal pain and intestinal obstruction. Bowel cancer may also be accompanied by systemic symptoms such as anemia, emaciation and recurrent fever. If metastasis occurs in the late stage of intestinal cancer, it may lead to liver dysfunction, jaundice and itchy skin. And if the tumor site is in anal canal, perianal itching symptom may occur due to erosion and oozing of blood or secretion of more mucus to stimulate the skin. Therefore, patients with intestinal cancer may have various symptoms, but they should go to the Department of Oncology or General Surgery for regular review to know the specific progress of the disease.