The utility model discloses an oven is adjusted to fiber crops board, including last stoving, the piece of drying down, go up to dry and to be connected through the multiunit cylinder with the piece of drying down, the both sides face of a bottom surface of go up drying be equipped with respectively and hinder the hot plate, a lower bottom four corners of drying be equipped with the supporting leg, the both sides of a lower upper surface of drying be equipped with numb board connecting piece slip track respectively, two numb board connecting piece slide orbital outside and be equipped with respectively and hinder the hot plate recess, the utility model discloses simple structure, convenient operation, it is firm evenly to the heating of drying of numb board panel to dry in the realization, dry down, and it is fast to toast efficiency, and not fragile numb board panel, has saved the energy, has just guaranteed numb board panel quality to have improved production efficiency.