▎ 摘　　要

NOVELTY - The utility model claims an oven, comprising an oven main body and a heating pipe, the heating pipe is located in the oven main body, for heating the food in the oven main body. the heating pipe is plated with graphene coating in the high temperature resistant insulating pipe, the graphene coating is electrified and heated by the positive electrode and the negative electrode, the high conductivity and thermal conductivity of the graphene realizes fast preheating of the oven, at least heating at 300 degrees centigrade in 5 s, so as to shorten the cooking time of the oven, improving the baking effect.