Blood in urine after prostate cancer surgery may be due to anastomotic blood seepage, scab shedding, prostate cancer recurrence and so on. 1. Anastomotic blood leakage: the most common reason for postoperative hematuria in prostate cancer patients is anastomotic blood leakage. Generally speaking, if the amount of bleeding is relatively small and there is no other uncomfortable symptom, there is no need to carry out special treatment, and it will be relieved by itself in a week or so. 2. Scab shedding: if there is blood in urination about 10 days after surgery, it may be due to blood seepage caused by scab shedding, which is usually transient and can be recovered by itself. 3. Recurrence of prostate cancer: if the symptom of blood in urination occurs half a year to one year after the operation, it should be alerted, which may be caused by the recurrence of prostate cancer, and it is recommended to have a review in time. In addition, hematuria is also related to urinary system inflammation, stones, coagulation dysfunction disease and so on. It is recommended that the patient consult a doctor in time, with the help of the doctor to identify the causes, targeted treatment.