Colon cancer patients may be constipated, constipation mainly refers to the long defecation time, that is, long interval time, generally 3-5 days once, at the same time, the stool is dry and hard, colon cancer usually appears in the colon tumor, in the early stage there may be no symptoms, and some patients will not cause abnormal stool frequency. If the tumor continues to progress, the growth of the tumor may lead to poor bowel movement, and at the same time, the time between bowel movements may be longer, and after the stool stays in the colon for too long, the water continues to concentrate, and dry stools may occur. If the patient has constipation, it is recommended to come to the hospital for examination, and generally, abdominal CT and colonoscopy should be performed, and if colon tumor is found, early treatment should be provided.