The utility model discloses a heating plate of an electric steam apparatus. The heating plate comprises a first sheet-shape heating portion and a second sheet-shape heating portion which is connected with the first sheet-shape heating portion. During heating, the first sheet-shape heating portion is placed in a liquid to be heat so as to heat the liquid, and then the liquid generates steam. The second sheet-shape heating portion is placed in a space above the liquid so as to heat the steam. The utility model also discloses a heating plate structure which comprises the plurality of heating plates which are arranged in parallel. And the heating plates are the heating plate of the electric steam apparatus. By using the heating plate of the electric steam apparatus and the heating plate structure, heating efficiency is effectively increased and power consumption is reduced.
