Many patients are found to be suffering from rectal cancer in the early stage, and the treatment of rectal cancer is very important at this time. Many patients are worried about the recurrence after surgery, in fact, patients can effectively avoid this situation by taking good care of themselves after surgery. After surgery, rectal cancer patients should fast for 3 to 4 days to wait for the recovery of intestinal peristalsis, that is, wait for the artificial anal venting, that is, bubble discharge from the stoma, patients can enter some liquid diet, food should not only be easy to digest but also nutritious, such as rice soup, vegetable soup, root powder, etc. The diet of rectal cancer patients should be less and more meals, which should be eaten once in 2 to 3 hours, preferably 6 to 7 meals per day. 2.The basic postoperative care of rectal cancer is that patients can eat semi-liquid diet one week after surgery, try to provide patients with some protein-rich food and low-fiber food, such patients should eat ravioli, noodles, thin rice, etc. as the main food, and also adhere to the guideline of eating less and more meals, and patients should preferably adhere to 5-6 meals per day. 3, in order to make it easier to care for the wound, patients should abstain from some foods to avoid stimulating the intestines. Such as raw or semi-cooked food; alcoholic beverages should also be minimized; and also try to eat less gas-prone food, such as onions, cabbage, radish, etc.