About one month after prostate cancer surgery is the best time for radiotherapy, which should be judged according to the patient’s physical recovery, and the patient’s physical condition, etc. The patient should actively cooperate with the doctor to alleviate the symptoms and prevent the recurrence of the disease. After prostate cancer surgery, generally about one month, the wound healing situation is better, the patient’s physical condition has recovered better, then radiotherapy can be carried out, generally choose radioactive particle implantation or three-dimensional conformal radiotherapy, radiotherapy at the same time for anti-androgen treatment, to prevent the disease from progressing and spreading, to prevent recurrence of the disease, to prevent the disease from deteriorating. After the operation, we should ensure rest, keep the urine through the deposit, to ensure that the urine is clean, appropriate exercise, help to restore the function of the gastrointestinal tract, pay attention to balanced nutrition, eat more fresh fruits and vegetables.