The invention discloses a baking oven for an adhesive coated foil, which comprises an oven frame, an oven body, a heater, a temperature control device, a processed material traction device and an electric control cabinet, wherein the oven body is divided into a plurality of working section by clapboards; a left seat frame and a right seat frame are arranged in the oven body; autorotation rollers are arranged on the seat frames; a blocking clapboard is arranged between a processed material and the top of the oven body; the top of the oven body is provided with a waste gas discharge pipe; the heater can penetrate to the center of the processed material for heating, and the heater is arranged below the processed material; and a plurality of temperature sensors of the temperature control device are arranged in each working section, one of the temperature sensors is arranged below the processed material, and other temperature sensors are arranged on two sides of the processed material. Thebaking oven is mainly characterized by further comprising an in-oven temperature homogenizing device consisting of a fan, an air inlet pipe and a return air pipe. The baking oven has the characteristics of reasonable structure, simple and convenient operation, even temperature in the oven, good quality of the baked adhesive coated foil, and the like.