Full-automatic PCB board cleaning machine is suitable for on-line cleaning of PCB pad surface before solder paste printing or adhesive coating of small board chips, dust, fibers, hair, skin debris, metal micro-particles and other foreign matter, to ensure that the PCB surface is in a clean state, in advance to eliminate the false soldering, empty soldering, warping, deflection and other soldering defects, so as to reduce the hidden danger and improve product quality. Specialized equipment developed and designed according to the needs of FRT production line PCB cleaning. Standard equipped with de-static function, completely eliminate static interference. Contact cleaning method, cleaning rate of more than 99%, to ensure efficient, stable and long-lasting cleaning effect.