disclosed is a dual scan method of a display panel having m data lines and n scan lines . the present invention includes the steps of dividing the n scan lines into an upper half and a lower half ; and applying current to the scan lines of the upper half and the lower half respectively to scan , wherein the scan lines of the upper half and the scan lines of the lower half are sequentially scanned to be symmetrical to each other centering on a central axis of the display panel .