<p>The present invention relates to a vibration generating apparatus which includes: a housing which has an inner space; a piezoelectric actuator which is mounted in the housing to be arranged in the inner space and includes a piezoelectric device to be transformed horizontally; a direction change member which is fixed to the piezoelectric actuator; and a vibrator which is fixed to the direction change member, located in the inner space, and vertically strained according to the horizontal transformation of the piezoelectric actuator.</p>
