Support foundation supporting cushion device suitable for slope

The utility model relates to the technical field of civil engineering, in particular to a support foundation supporting cushion device suitable for a slope, which comprises a plurality of foundation supporting cushion device bodies arranged at intervals, and each foundation supporting cushion device body comprises an upper horizontal steel plate, a middle square steel pipe, a lower steel plate, joint bars for fixing and preformed holes. The upper horizontal steel plate is horizontally arranged, the lower steel plate is obliquely arranged, the upper horizontal steel plate is fixedly connected with the lower steel plate through the middle square steel pipe, the upper horizontal steel plate and the lower steel plate are each provided with an installation through hole, the reserved holes are vertically formed in a structural slope face, and the joint bars for fixing are installed in the reserved holes. And one end of the fixing joint bar penetrates through the two mounting through holes, extends out of the top su