Advertising show window convenient to clean

The utility model discloses a convenient-to-clean advertisement show window, which comprises a mounting seat, a mounting frame and a first mounting plate, the top of the mounting seat is symmetrically provided with first support columns, the front side of the mounting frame is provided with the first mounting plate, the bottom of the first mounting plate is symmetrically provided with springs, one end of each spring is provided with a lifting plate, and the other end of each spring is provided with a second support column. First mounting rods are symmetrically mounted at the top of the lifting plate, a plurality of second mounting rods are mounted on the back faces of the first mounting rods, and sponge pads are mounted on the back faces of the second mounting rods. The lifting plate can be moved downwards to provide a position for a pedestrian to sit and rest, meanwhile, the second mounting rod can be driven to move up and down, and then the sponge cushion is driven to move up and down, so that the sponge cu