▎ 摘　　要

NOVELTY - The utility model relates to the field of back cushion, especially a portable graphene backrest, this utility model comprises backrest and back cushion, backrest and cushion are connected with each other, the backrest can be placed on different of the seat, so as to solve the problem that the traditional back cushion is not the same as close to the size of the back on the market resulting in back cushion cannot accurately fixed on the backrest, the outer side of the backrest is provided with a handle piece, it is convenient to carry the backrest, at the same time, a back cushion made of graphene material by heating piece can realize the following advantages: the far infrared ray can improve blood circulation, helps adjust autonomic nerve, helps enhance the metabolism, has function of diminishing inflammation; it has the effect of skin-beautifying; it has effect for relieving pain of lumbar part, facilitate activating biomolecule activity.