If the scrotal dampness is caused by non-pathological reasons, such as sedentary, high ambient temperature, tight underwear or excessive sweating, it will not affect the quality of sperm and will not lead to infertility. If the scrotal dampness is caused by pathological factors, such as chronic prostatitis, vesiculitis, varicose veins and other diseases, which have affected the quality of sperm, it may lead to infertility. But the specific impact on fertility also depends on the quality of sperm, you can go to the hospital to do a routine semen examination, if the sperm is not abnormal, sperm quality, vitality are normal, will not affect fertility. The scrotum is often moist or it is advisable to go to the hospital for examination to identify the specific cause and to treat it as early as possible.