The purpose of the study was to find the correlation between the effect of acupuncture on fertility and psychological effects. To investigate its influence on male subfertility, 28 patients received acupuncture treatment after informed consent. We evaluated subjective parameters by written psychological tests, while objective parameters consisted of measuring concentration, volume and motility in the spermiogram before and after acupuncture. There was a significant increase in sperm quality in all parameters but volume. The psychological test showed no change caused by acupuncture. Hence, we believe, that the effect of acupuncture on sperm quality is not caused by placebo-mechanisms.