The most likely time for rectal cancer to recur is 1 to 3 years. Rectal cancer belongs to is malignant tumor. The probability of rectal cancer patients recurring 1~3 years after treatment is relatively high, but exactly how long it will start to recur is still according to the patient’s physique and the stage type, if the patient is treated in the early stage of rectal cancer, the recurrence rate is relatively low. And advanced rectal cancer cannot be cured, in this case, it usually cannot be cured by surgery, and only palliative radiotherapy, chemotherapy or immunotherapy, targeted therapy and other treatments can be taken to alleviate the pain of patients, improve the quality of patients’ survival and prolong the survival period. The 5-year survival rate of advanced rectal cancer patients is only 5.7%. Rectal cancer patients should develop healthy dietary habits to reduce the chance of recurrence. Eat foods containing fiber, such as apples and spinach, but avoid spicy, cold and pickled foods. Keep your mood happy in your life and quit smoking and drinking. Regularly review and follow up with the doctor if you are not feeling well.