To keep the inside of a car from being dirtied by cleaning shoes with a shoe-wiping mat which is made to appear from under the body of the car when a door is opened.

In a shoe-wiping mat fixed on a door, a holding part 2 mounted at a lower end part of the door has an upper part of the holding part 2 linked to a vertical part 9 of an L-shaped round bar 8 mounted on the holding part 2 with a spring 4. Moreover, a plate 12 is placed over a pipe covering a horizontal part 9 of the round bar 8 and a shoe-wiping part 13 is provided on the top surface of the plate. When the door is closed, the wiping part is housed under the body of the car.