The PSA level should be less than 0.2 ng/mL after radical prostate cancer surgery, and it takes time for the PSA to be completely metabolized in the blood after radical prostate cancer surgery, so it is not possible to test for this value immediately after surgery. The first normal PSA test should be between six weeks and three months after surgery. If a high PSA value is found during the test, it indicates that there is residual PSA tissue in the body, and it is likely that there is a residual prostate cancer lesion that needs to be further examined. If the PSA value is below 0.2ng/mL after endocrine therapy and surgery, it is well controlled. If the PSA value is between 0.2-0.4ng/mL, it should be dynamically rechecked. If it stays between this value and does not increase further, it can still be observed regularly. If it continues to increase again there is a possibility that there is a recurrence of prostate cancer or there may be distant metastasis, which should be further examined and treated.