The utility model belongs to the technical field of small household appliances, and particularly relates to a base structure of an electric baking tray, which comprises a bottom cover, the bottom cover is of a groove-shaped structure with an upward opening, a supporting plate is arranged in the bottom cover, a groove is formed in the bottom cover through the supporting plate, a supporting column is arranged in the groove, an upper cover is arranged above the bottom cover, and the supporting column is arranged on the upper cover. A matching plate is arranged at the position, corresponding to the bottom cover, of the upper cover, a through hole is formed in the rear portion of the upper cover through the matching plate, a cavity is formed in the rear portion of the base through matching of the bottom cover and the upper cover, a carrier plate is arranged above the cavity, a matching column is arranged at the bottom of the carrier plate, and the matching column is fixed in the supporting column. Through the arrangement of the components, the base is small, fashionable, attractive and convenient to assemble, and heat dissipation and heat insulation can be fully carried out on a heat source of the baking tray so as to meet the use requirements of a novel heat source in the baking tray.