The present invention relates to a foot arch correction pad capable of fine tuning corrective area and a correction method thereof. The pad is provided with a main supporting plate and a plurality of fine-tuning pads, in which a plurality of pad positioning parts are configured on a bottom surface of the main supporting plate according to requirements. The plurality of fine-tuning pads are respectively configured on the bottom of the main supporting plate by adding a combination of fine-tuning pads with different heights and numbers according to different high arch shapes of the foot arch area of the user, so as to simply and precisely correct abnormal state of foot arch pressure-applying ratio, which is convenient for gradually correcting later.
