▎ 摘　　要

NOVELTY - The utility model claims a heating disc assembly for liquid heater, comprising a heating disc, an annular ring, a bottom plate and a graphene coating, wherein the centre of the heating plate is provided with a through hole; the heating plate is provided with an annular flange extending downwards along the edge of the through hole; the annular ring is sleeved outside the annular flange; the bottom plate is set at the bottom of the annular ring and blocking the through hole; the graphene coating is set at the bottom of the bottom plate; the structure is simple, the heating efficiency is relatively higher, and the heating is more uniform.