The utility model discloses a small electric-heating baking device matched with a heater in use. The small electric-heating baking device comprises the heater, a casing and an upper cover, wherein the inner wall of the casing is symmetrically provided with an upper group of brackets, a lower group of brackets and partition plates supported by the brackets respectively. The small electric-heating baking device is placed on the heater when being used, high-temperature heat produced by the heater rises and gathers in a cover body formed by the casing and the upper cover, and baked foods are gradually cooked under the heat radiation effect. The small electric-heating baking device can be used continuously or optionally and has the advantages of being reasonable in structural design, simple in manufacture process, easy to produce in a mass mode, reliable in safety performance and convenient and flexible to use, being suitable for families, facilitating popularization and application and the like.