Prostate diseases: acute prostatitis, chronic prostatitis, prostatic hyperplasia, prostatic pain, etc.
Sexually transmitted diseases: syphilis, gonorrhea, condyloma acuminatum, urethritis and balanitis.
Sexual dysfunction: including ED, impotence, premature ejaculation, abnormal erection of penis, sexual sensory disturbance, etc.
Reproductive plastic surgery: redundant prepuce, phimosis, cryptorchidism, hernia, varicocele, etc.
Male infertility: hemospermia, oligospermia, asthenospermia, azoospermia, etc.