A hot wind bake outfurnace with a colorful coating armor plate comprises an incinerator, a first heat exchanger, a second heat exchanger, a new wind blower, a first exhaust gas blower, a second exhaust gas blower, a primarily applied baker and a delicately applied baker which are respectively provided with a first heat supply and hot wind recycle section and a second heat supply and hot wind recycle section, wherein, a first waste opening and a second waste opening of the primarily applied baker and the delicately applied baker are connected with a first waste pipe and a second waste pipe, the first and the second waste pipes are connected with air inlets of the first and the second exhaust gas blowers, air outlets of the first and the second exhaust gas blowers are connected with the first heat exchanger which is connected with an incinerator exhaust leading-in pipe of the incinerator, a high temperature flue gas leading-out pipe of the incinerator is connected with the first and the second heat exchangers, the second heat exchanger is connected with a first and a second recycle blowers of the primarily and delicately applied bakers by a new hot wind pipe, both the first and the second heat exchangers are commonly connected with an exhaustsmoke pipe. The invention is characterized in that the furnace further comprises a third heat exchanger which is connected with the new wind blower and the exhaustsmoke pipe as well as the second heat exchanger respectively. The invention has the advantage of good energy-saving effect.