We studied to investigate diagnostic accuracy of visual-auditory erotic stimulation penile erection test in diagnosis of impotence. Full diagnostic work-up was performed in 84 patients group and only this test was performed in 20 healthy control group. Based on the final diagnosis, diagnostic accuracy of this test was evaluated. Sensitivity rate of this test proved to be 75.0% and specificity rate of this test proved to be 83.4%. Thinking with a view of maximal degree of rigidity continued for more than 5 minutes in both tip and base od penis, specificity rate of this test proved to be 100%. This results suggests that it is desirable to perform this test as the initial step in diagnostic work-up for impotent patients and this test provides high diagnostic reliability.