▎ 摘　　要

NOVELTY - The utility model claims a heating piece, comprising a ceramic panel and a ceramic back plate, wherein one end face of the ceramic panel is provided with a conductive coating; the ceramic panel is further provided with at least one layer of graphene heating coating; graphene heating coating covers a part of conductive coating; a part of the conductive coating is exposed out of the graphene heating coating; the inner wall of the ceramic back plate is provided with at least one layer of heat insulation coating; the lower port of the ceramic back plate is provided with a first inclined surface along the inner wall; the outer wall of the ceramic panel is provided with a second inclined surface along the circumferential direction; the ceramic panel is propped against the lower port of the ceramic outer cover and connected together by the sealing glue; and the connecting gap between the ceramic panel and the ceramic back plate is coated with a sealing glue; The ceramic backboard shields the graphene heating coating and the conductive coating. long service life, fast heating effect, heating element with high heating temperature; the heating temperature can reach to 400-800 degrees centigrade, meeting the requirement of the user.