One month after rectal cancer surgery, you can usually eat rice. It usually takes about half a month to one month for the intestinal function to recover to normal after rectal cancer surgery. After the surgery, the patient should have fluids or semi-fluids as the main food, and gradually transition to normal meals or normal diet, and rice can be eaten one month later. Postoperative diet should be light, easy to digest and rich in high protein food, such as egg custard, tofu, etc. After the operation, attention should be paid to wound care, you can do moderate exercise, such as playing Tai Chi, walking, etc., always observe the physical condition, maintain an optimistic state of mind, and avoid spicy, stimulating food, as well as strenuous exercise, smoking, drinking and so on. It is recommended that patients go to the hospital for regular checkups, always observe the body’s condition, pay attention to regular diet, and exercise appropriately.