The invention discloses a wood burr treatment device. The device comprises a bearing plate, a grinding mechanism is arranged on the upper surface of the bearing plate, a vertical rod is arranged on the upper surface of the bearing plate and is arranged in front of a containing table, a vertical mounting plate is arranged on the upper surface of the vertical rod, a controller is arranged on the front surface of the vertical mounting plate, an electric supply connector is formed in the rear surface of the bearing plate, and the supply terminal of the controller is connected with the electric supply connector through a wire; the output end of the controller is connected with a first electric trolley, a first hydraulic cylinder, a first electric push rod, a second hydraulic cylinder, a second electric push rod, a rotating motor, a first micro linear motor, a second electric trolley, a third electric trolley, a micro hydraulic cylinder and a second micro linear motor through a wire; the device has the beneficial effects that semi-automatic fixed rotation grinding is achieved, the grinding speed is high, manpower is liberated, work efficiency is improved, the size is proper, moving is convenient and rapid, use is convenient, and novelty is high.