There are broad and narrow definitions of male diseases. Broadly speaking, any disease suffered by men belongs to male diseases; narrowly speaking, male diseases mainly include male urinary and reproductive system diseases. It can be roughly divided into the following aspects. Male infertility includes sperm seminal plasma abnormalities and obstruction of the seminal tract. Prostate diseases, including acute and chronic prostatitis, prostate hyperplasia and prostate tumors. Diseases of sexual dysfunction, including erectile dysfunction, abnormal penile erection, premature ejaculation, non-ejaculation and retrograde ejaculation. Other diseases of the male reproductive system, including circumcision diseases, scrotal spermatic cord and testicular diseases.