PURPOSE: To improve the appearance from the inside of a door by removing the gap between the peripheral edge parts of an inner panel and a door trim of the door.

CONSTITUTION: A door trim 20a comprises a base material 21, a pad material 22 disposed on the surface side of the base material 21, and a facing material 24 for covering both materials 21, 22, and is fitted along an inner panel 26 on the back side. In the door trim 20a, a blocking material 23 which is flexible in the direction of thickness of the door trim 20a is arranged on the peripheral edge part of the back side of the door drim 20a, whereby the blocking material 23 is pressed and deformed by fitting of the door trim 20a to be made closely adhere to the surface of the inner panel 26, so that a gap between them can be removed.