The present invention relates to a method for automation of objective hearing test based on the assessment of auditory evoked potential (AEP), for shortening of testing time, and for the minimization of inaccuracy and errors which may be resulted from the automation and time shortening. The method includes the steps for: as a preliminary test, presenting standard test stimulus to a subject searching the wave V peak and SN10 peak and as a main test, presenting test stimulus of each frequency, searching the minimal intensity and determining objective hearing threshold of each frequency.