The invention discloses a glue discharging furnace which comprises a furnace wall, a furnace door, a heart surrounded by the furnace wall and the furnace door, an air inlet, an air outlet, an air blower, a heater, an air inlet plate, an air outlet plate, a plurality of baffle plates and a plurality of air regulating plates, wherein the air inlet and the air outlet are arranged on the furnace wall; the air blower and the heater are positioned in the hearth; the air inlet plate and the air outlet plate are arranged in the hearth; the plurality of baffle plates are positioned between the air inlet plate and the air outlet plate and are used for placing to-be-discharged glue elements; the air inlet plate is provided with a plurality of air inlet holes; the air regulating plates are provided with a plurality of air regulating holes; the air regulating plates are installed on the air inlet plate and are fit with the air inlet plate so as to enable the air regulating holes and the air inlet holes to be staggered and overlapped; and the installation position of the air regulating plates on the air inlet plate can be regulated, thus the overlapped degree of staggered overlapping can be regulated. Compared with the prior art, the air speed of each layer of the glue discharging furnace provided by the invention can be regulated consistently, and the glue discharging effect is good.