The epidemiology of inguinal hernia,the mesh's side effects on the spermatic cord,the spermatic cord blood vessels,the was deferens and the testicular in inguinal hernia hemiorrhaphy of tension-free were reviewed.The effects of the inguinal hernia herniorrhaphy and the mesh in clinical and animal experiments which affected on the male reproductive function such as the location.extent and pathological changeswere summarized,and the mechanism of the tension-free inguinal herniorrhaphy affecting the male reproducrive function were discussed.Improvingthe operation skills and the more appropriate choice of the mesh may protect the male reproductive function in tension-free inguinal hernia hemiorrhaphy.