It is currently believed that the occurrence of rectal cancer is related to rectal polyps, ulcerative colitis, schistosomiasis granuloma, and genetic factors. The disease usually manifests as: change in bowel habit, blood in stool, abdominal pain and discomfort, etc. Patients need to pay attention to the following points: 1. Diet. Generally after 48h after surgery, depending on the situation, can start to enter the liquid diet, etc.. About two weeks can enter the general diet, choose easily digestible less slag food, avoid too thin and too much coarse fiber food, to soy products, eggs, fish is good, plus vegetable soup, juice, so that the stool is dry and easy to clean treatment. 2. Activity. Appropriate control of activity intensity, avoid excessive increase in abdominal pressure activities, and cause the artificial anus of the colon mucosa prolapse. 3.Review time and indications. After rectal cancer surgery, it is necessary to return to the hospital regularly for chemotherapy and review the white blood cell count regularly. If the artificial anus is found to be narrow or difficult to defecate, you must come to the hospital for examination and treatment in time. For patients with low rectal cancer, a permanent artificial anus is needed in the abdominal wall, which is necessary for treatment and is not complicated to handle and will not affect life and work. 2.For those who have colostomy, pay attention to protect the abdominal incision, and use film to properly separate between the stoma and abdominal incision to avoid contamination of the incision. 3.Proper care of the artificial anus.