Male factor infertility is the most common defined cause in infertile couples.According to the report of World Health Organization (WHO), Among 80 millioncouples suffered with infertility, in which, male factor is solely responsible in about40%, whereas women' factors and double couples' factors were 50% and 10%respectively. In China, a survey in Hebei province showed that the infertile malepersons reached 33.15% among the 39,476 child-bearing age couples. The reasons formale infertility are varia...