To provide a pasting tool for actualizing compacter construction of a device body to be easily adaptable for a change in the design of a wheel.

The pasting tool for a rust preventive film comprises a positioning plate 1 having a circular recessed portion 11 in the upper face for storing the rust preventive film, a mounting tool body 2 to be detachably mounted in the recessed portion 11 of the positioning plate 1, a disc base 3 arranged on the lower site of the positioning plate 1 via a predetermined-length supporting column 7, a sucker 4 integrally mounted on the lower part of the base 3, and casters 5 mounted on the lower part of the sucker 4, as necessary.