A new type of multi-function buffer cushion is introduced. The main materials of the packing cushion is honeycomb cardboard, which is overlaid both internally and externally. The overlaid material is brown paper or other tough paper. The honeycomb cardboard possesses buffer performance after the degree of compressing. By using this performance characteristic, after compressing and overlaying, the honeycomb cardboard possesses the performance of cushion, while it also can be used as cooling pad and mouse pad. This can prolong the life of packing cushion and is both economical and environmental.