Acoustic slat wood panel, each panel measures 600mm*2400mm, formed by nomal 12mm deep and 26mm wide salt, with a disrtance of 14mm between each, mounted on a base of nomal 9mm thick acoustic felt, the panel is 21mm thick in total, including the slats abd felt. The panel is good for decoration, it has excellent performance of absorbing the sound with NRC 0.8-1.1 and flame retardant of B1, heat insulation, moisture-proof, antimildew, widely used in room, office, theater, conference hall and so on.