The invention discloses an edible mushroom waste treatment device. The edible mushroom waste treatment device comprises a fixing plate, a first electric push rod, a discharging frame, a strip groove,a second electric push rod, a fixing seat, a crushing box, a first pulley, rotating blocks, a screen board, a first bearing, a second pulley, a second bearing, an air drying box, a hot air blower, a discharging port, a second rotating roller, rotating pieces, a first rotating roller, threaded holes, bolts and a bracket. The edible mushroom waste treatment device has the advantages of high functionality, convenient use, and stable operation; the waste and plastic bags are separated conveniently and quickly, the edible mushroom waste treatment device is beneficial to the rapid pulverization of the waste, the pulverization effect is good, the pulverized waste is air-dried conveniently, and the operation time of ground drying is shortened; and the waste can be recycled advantageously and preserved and used as feed, and the situation that the waste placed everywhere results in mycete generated to pollute the environment is avoided.