To provide a shading sheet for an automobile capable of preventing a rise of temperature in a compartment due to direct sunlight when parking and stopping the automobile outdoors and facilitating its use and storage.

This shading sheet for the automobile is constituted such that it consists of the foldable bellowslike shading sheet in which crest folding lines and trough folding lines are alternately formed with the purposes for ensuring the thermal insulation property and the heat radiation property and facilitating its use and storage between the automobile and the shading sheet, a connection member connecting the trough folding lines on a rear surface of the shading sheet, and a mounting member attaching and fixing the shading sheet to a car body of the automobile when using the shading sheet for the automobile and parts overlapping in the vicinity of the crest folding line on the rear surface of the shading sheet and in the vicinity of the trough folding line on a surface of the shading sheet are bonded while the shading sheet is folded to constitute the shading sheet for the automobile.