The utility model relates to a multi-functional energy-saving baking oven which comprises a furnace body, a furnace hearth, a furnace bar and a furnace door, the furnace body is provided with a furnace cover, a baking box is connected above the furnace body, a baking pan is arranged on the baking box, a baking drawer is arranged on the obverse side face of the baking box while a smoke suction hole is arranged on the other side faces of the baking box. The utility model has multi-functions with the baking pan, the baking drawer, a hot water box and a heating water box, thermal utilization factor can be increased by using the multi-furnace combination, the heat collecting plate of the water tank, the heating hole of furnace opening and the convex block surface at the bottom of the baking pan; therefore, the utility model is characterized in energy saving.