Abstract: A method for adjusting parameters of an audio device is provided and applied to an adjusting system operated by a user to adjust the audio device. The method includes steps of: executing an application program with the adjusting system; the application program providing a graphical user interface for receiving data wherein the graphical user interface at least includes a plurality of options to be selected; and adjusting a plurality of parameters of the audio device associated with a first option when the first option of the plurality options is selected and outputting a sound by the audio device.