▎ 摘　　要

NOVELTY - The utility model claims a graphene food heat preservation device, comprising a shell, an inner tank, a graphene heating film, a heat insulation block, the inner side of the shell is provided with a heat insulation layer, the heat insulation layer is provided with a protective layer, the bottom of the housing is provided with a battery; the two ends of the battery side is provided with a fixing block, the fixing block is provided with the heat insulation block, the insulation block is provided with a temperature sensor, the temperature sensor is provided with a graphite heating film, the graphite heating film is provided with a heat-conducting block. The advantages are as follows: the utility model not only is provided with an insulating layer, further provided with a graphite heating film, besides capable of heat preservation, the food further can use graphene heating film to heat the food, avoids the long time, resulting in food cold.