Abstract: A cushion includes a cushion core, adopting blasted sponge, and the cushion core comprising a main bearing area and an auxiliary bearing area; an outer cover layer, wrapping an outer layer of the cushion core, and the outer cover layer adopting a fiber material which is of a reticular structure; and a reinforcing skeleton comprising a plurality of bone bridges, and each bone bridge comprising an arch base and an arch bridge. For each bone bridge, the arch base is located at two side-by-side corners of one side of the cushion core, and is close to one side of the main bearing area; one end of the arch bridge is connected to the arch base, and the other end of the arch bridge extends to a diagonal opposite corner of the other side of the cushion core, and is close to one side of the auxiliary bearing area.