Online cleaning device of screen of tobacco drier

The utility model provides an online cleaning device of a screen of a tobacco drier. The online cleaning device of the screen of the tobacco drier comprises a liquid pipe with a nozzle. One end of the liquid pipe is connected with a pressure liquid supplying pipe with a water pump. The online cleaning device of the screen of the tobacco drier is characterized in that the liquid pipe is arranged above and/or under the screen which moves in a circulation mode through a supportive piece. The online cleaning device of the screen of the tobacco drier can conveniently and directly flush the screen which moves in the circulation mode through high-pressure water. Fouling removing effect is good and flushing can be done in time. Holes of the screen are prevented from being blocked, the screen is not damaged and environment is not polluted. Normal cigarette production can be ensured, working efficiency is high, labor intensity is low and fouling removing effect is obvious.