▎ 摘　　要

NOVELTY - The utility model relates to the technical field of heating box, especially relates to a graphene heating box with good heat preservation performance, comprising a box body; the bottom of the box body is embedded and fixed with a heater; the box body and close to the upper part of the heater is welded and fixed with a grid plate; the left side of the box upper end hinged with a box cover covered above the box body; the inner wall of the box body and the box cover are embedded and fixed with a heat insulating plate; the box body is distributed with several clapboards from left to right above the grid plate; the middle part of the left side of each clapboard and the middle part of the right wall of the box body are rotatably connected with a damping rotating shaft; heat insulating the box body by the insulating plate, reducing the loss of heat, improving the heat preservation effect, and the outer surface of the clapboard and the inner surface of the box body are adhered with graphene heat conducting film, through graphene heat conducting film good heat conducting performance, then combining the principle of heat transfer, which is good for the food in the box body to realize uniform and comprehensive heating and heat preservation; so as to make the heat preservation performance better.