▎ 摘　　要

NOVELTY - The utility model claims a multifunctional graphene electric heating insulating device, belonging to the graphene electric heating technology field, the multifunctional graphene electric heating insulating device, comprising: a cover, an inner container and a graphene electric heating insulation box. wherein the graphene electric heating insulating box is composed of inner wall, graphene electric heating film, heat insulating layer and outer shell; the inner container can be taken out from the graphene electric heating insulating box for containing food or sterilized appliance, and the outer wall can be connected with the inner wall contact the graphene electric heating insulating box, the inner container; the inner wall; the shell and the cover are made of one or several of stainless steel, aluminium alloy, copper, aluminium, silver, high temperature resistant glass, ceramic or high temperature resistant high molecular material. The multifunctional graphene electric heat preservation device according to the utility model, the meal temperature can be kept at 45 ~ 85 degrees centigrade for a long time, and also can be used as sterilizing box, sterilizing temperature can reach 70 ~ 120 degrees centigrade; it has very good market application prospect.