A slope device for a wheelchair is provided, which enhances safety at a time of operation of a wheelchair by notifying a user that a wheel approaches a wall section before the wheel contacts the wall section.A slope device for a wheelchair 1, which is used by being laid over a step L, the slope device for wheelchair comprisinga body section 7A having a flat upper surface 6Aat least a pair of wall sections 8A and 9A protruding from the upper surface of the body section and disposed substantially in parallel with the laying direction D in which the body section is laid over the step andan attention-attracting section 10A, 11A provided on the upper surface of the body section at a position between said at least a pair of wall sections so as to be present within a predetermined range from one of the pair of wall sections, the attention-attracting section protruding or recessed from the upper surface and provided further toward the upper surface side than the most distant portion 21 A, 22A of said wall section from the upper surface.
