Automobile door structure with water and noise isolation sheet

There is provided a door structure of an automobile, capable of visually checking whether or not a peripheral edge of an opaque water.noise isolation sheet (4) is reliably bonded to a door inner panel (1) through the intermediary of a sealer (adhesive) (6). With the door structure, the door inner panel (1) of the automobile is provided with the opaque water.noise isolation sheet (4) for ensuring watertightness and noise isolation after stopping up at least access holes (1a) of the door inner panel (1), and the inner peripheral edge of a transparent film (5) substantially annular in shape is fixedly attached to the outer peripheral edge of the opaque water.noise isolation sheet (4), thereby forming a structure wherein the outer peripheral edge of the transparent film (5) is bonded to the door inner panel (1) through the intermediary of the sealer (adhesive) (6).