Colon cancer patients have matters that need attention in diet and exercise, as follows: 1. Diet: after 48 hours of colon cancer surgery, if intestinal peristalsis is restored, the gastrointestinal decompression tube can be removed and a liquid diet can be started; for those who have a stoma, after opening, if the function is good, the diet can be gradually changed to less slag, semi-fluid, soft rice, avoid easy gas-producing and irritating food, and pay attention to dietary hygiene to avoid intestinal infection or diarrhea In about 2 weeks, the patient can have a general diet, choosing easily digestible food with less residue and avoiding food that is too dilute and has too much coarse fiber; 2. activities: appropriately grasp the intensity of activities to avoid activities that excessively increase abdominal pressure and cause colonic prolapse of the artificial anus; 3. for those with colostomy, pay attention to protecting the abdominal incision, and properly separate the stoma from the abdominal incision with a film to avoid incision contamination; 4. patients and their families learn to Use artificial anal pouch and do a good job in the care of permanent artificial anus.