With the progress of social science and medical level as well as people’s increasing health requirements, the issue of considerations for post-surgical maintenance of rectal cancer is also getting more and more close attention from people. 1.Knowledge of rectal cancer prevention Take low-fat, moderate protein, fiber-rich food as the main food, balanced diet, no moldy food, less pickled, smoked, barbecued and fried food, actively prevent and treat chronic anal and intestinal diseases, such as intestinal polyps, chronic inflammatory bowel disease and other high-risk groups should have regular colorectal examination for early detection, early diagnosis and early treatment. 2.Living habits Correct poor diet and living habits. 3, diet care Patients should fast and abstain from water after surgery, and should eat only after intestinal peristalsis is restored, and the diet should be progressive from less to more, from thin to thick, from simple to complex. The diet of postoperative patients should be diversified, and it is recommended that a high-calorie, high-protein, high-vitamin, easy-to-digest diet with less residue should be the mainstay, and no irritating, spicy and flatulent foods such as chili, onion, garlic, yams, etc. should be eaten according to the requirements of the Chinese medicine diet taboos. 4.Reasonable arrangement of rest and exercise Avoid heavy physical labor and strenuous exercise for 1~3 months after surgery, keep your mood relaxed and encourage active participation in social activities. 5.Guidance on artificial anal care Instruct patients and family members on self-scientific care of the artificial anal canal. 6. Rehabilitation treatment Select the postoperative treatment and rehabilitation plan scientifically according to the medical advice, adhere to the necessary postoperative chemotherapy and radiotherapy, and follow up regularly. The above is the introduction of “what are the considerations for post-surgical maintenance of rectal cancer”. Experts remind that after rectal cancer surgery, corresponding adjuvant treatment is also needed, usually radiotherapy and biological immunotherapy, to improve patients’ immunity and quality of life.