This study is a multi-center prospective study. Patients who meet the indications for prostate biopsy were included in this study.The study was randomly divided into two groups, one group was transperineal free-hand biopsy; the other group was puncture stent-assisted transperineal prostate biopsy. Exploring the positive rate of puncture stent-assisted transperineal prostate biopsy 560 patients were enrolled. The main result is the positive rate of biopsy: including the detection rate of clinically meaningful prostate cancer and the detection rate of clinically insignificant prostate cancer.Secondary results include: (1)Biopsy complications include (infection, bleeding, etc.).(2)Pain score of biopsy patients (NRS score).(3) Biopsy time
