The invention discloses an efficient denitration device for glass melting furnace flue gas. The efficient denitration device comprises a glass melting furnace and a box body, wherein a gas inlet and a discharge hole are formed in the lower part of the box body; a gas outlet is formed in the upper part of the box body; the glass melting furnace is connected with the gas inlet through a waste heat utilization chamber; the gas inlet is provided with at least two layers of filter screens; a motor is arranged on one side of the box body; a horizontal roller is arranged in the box body; a hollow rotating shaft is arranged at the middle part of the roller; the surface of the roller is provided with cutting blades; the cross sections, vertical to the axis of the roller, of the cutting blades are zigzag; the side face of the rotating shaft is provided with treating agent spray holes; a treating agent storage chamber is arranged on the other side of the box body and is communicated with the inside of the rotating shaft through a compression atomizing pump; and the surfaces of the cutting blades and the inner wall of the box body are provided with anticorrosive coatings. The efficient denitration device provided by the invention is simple in structure, convenient to use, good in denitration effect, and high in mass transfer velocity.