If the prostate cancer is in the low-risk grade, the treatment effect is better and the survival time is longer, the 5-year survival rate of the high-risk grade is about 28%, and the higher the stage the lower its survival time. Prostate cancer is a relatively common malignant tumor in older men, and its survival time is related to its grading. In Gleason grading system, score ≤6 is low-risk group, score=7 is intermediate-risk group, and score ≥8 is high-risk group, the higher the score, the worse the prognosis. If radical surgery or radical radiotherapy is performed in early stage or at low-risk level, it can have better treatment results or even cure, and after treatment in advanced stage or high-risk level, its 5-year survival rate is about 28%, but it also needs to be based on whether the patient can tolerate surgery or not. Prostate cancer can have no obvious symptoms in the early stage, mostly found in physical examination or other tests. Prolonged period of time can have lower urinary tract obstruction, metastatic spread of cancer, etc., which can eventually lead to anemia, debilitation, bone pain and other symptoms. Therefore, if prostate cancer is detected, early treatment is recommended.