The disclosure provides a display apparatus and a display method thereof. The display apparatus includes: a display panel, including a plurality of pixel columns which extend in a first direction and are arranged in a second direction, wherein each of the pixel columns includes a plurality of pixel islands arranged in the first direction, each of the pixel islands includes at least four sub pixels which have the same color, and in the second direction, (odd number)th pixel columns are dislocated by a first preset distance relative to (even number)th pixel columns in the first direction; a light-transmitting pad layer, located on a light-emitting side of the display panel; and a cylindrical lens structure, located on one side of the light-transmitting pad layer face away from the display panel and including a plurality of cylindrical lenses.