The invention discloses a wood structure building material processing device, which comprises a first air pump, a first pneumatic expansion rod, a first fixed frame, a protective cover, a cutter, a cutting board, a hydraulic cylinder, a second air pump, a third fixed frame, Micro-motor, air heater, air compressor, electric motor, third pneumatic telescopic rod, third air pump, fixed clamp, screw rod and runner, use the hot air nozzle to dry the wood board simply, and blow off the surface of the wood board The wood chips are clamped by the micro motor, the connecting threaded rod, the rotating plate and the fixed plate, and the wood board is moved by the second air pump, the second pneumatic telescopic rod and the connecting rod. This device is easy to operate and can accurately cut the wood board. , and the wood boards can be cut flexibly, fixed and stable, improving safety performance, operating by one person, reducing labor loss, and can wipe and dry the cut wood boards, reducing costs and improving production efficiency.