A display panel and driving method thereof and a display apparatus. The display panel has a first display area and a second display area, a transmittance of the first display area is greater than a transmittance of the second display area, the display panel includes an array substrate, and a light-emitting layer arranged on the array substrate and includes a first sub-pixel density distribution area arranged corresponding to the first display area, a second sub-pixel density distribution area arranged corresponding to the second display area and a third sub-pixel density distribution area on at least one of the first display area and the second display area and arranged adjacent to a boundary between the first display area and the second display area, in which a third sub-pixel distribution density is between a first sub-pixel distribution density and a second sub-pixel distribution density.