Weeding device for forestry

The forestry weeding device comprises a first rotating shaft, a grinding roller is fixedly installed on the outer surface of the first rotating shaft, wheel hubs are fixedly installed at the two ends of the first rotating shaft, a soil digging structure is arranged on the outer surface of the first rotating shaft, and the soil digging structure comprises a soil digging roller. Mounting frames are rotatably mounted at the positions, close to the two wheel hubs, of the outer surface of the first rotating shaft, lifting grooves are formed in the positions, close to the rear portions, of the close sides of the two mounting frames in a penetrating mode, a second rotating shaft is mounted between the two lifting grooves, and the digging roller is rotatably mounted on the outer surface of the second rotating shaft; the lifting grooves are adaptively matched with the second rotating shaft, the two ends of the second rotating shaft penetrate through the far-away sides of the two lifting grooves respectively, and anti-