Prostate cancer is one of the most common malignant tumors in Male genitourinary system.At present, the incidence of prostate cancer is increasing in Chinese male year by year. Due to early symptoms of prostate cancer is not obvious, easy to delay early treatment of precious time.Human genome project have identified multiple genetic variants at 8q24 to be associated with PCa risk. This thesis explores its clinical prediction value and screening PCa high-risk groups test methods.This association was replicat...