The utility model discloses a metal sound absorbing plate. The metal sound absorbing plate comprise a metal sound absorbing plate body and a fireproof alkali-free glass fiber layer, wherein sound absorbing holes are evenly distributed in the metal sound absorbing plate body, the area of the sum of the sound absorbing holes accounts for more than 40% of the area of the metal sound absorbing plate body, the sound absorbing holes are round holes, and the inner diameter of each sound absorbing hole ranges from 4 mm to 8 mm; a first folding edge perpendicular to the metal sound absorbing plate body is arranged on the back side of the metal sound absorbing plate body along the peripheral side of the metal sound absorbing plate body, and the height of the first folding edge ranges from 15 mm to 25 mm; the fireproof alkali-free glass fiber layer is arranged on the back side of the metal sound absorbing plate body, and the distance between the fireproof alkali-free glass fiber layer and the metal sound absorbing plate body ranges from 15 mm to 25 mm. The punching rate of the metal sound absorbing plate can be more than 40%, and the metal sound absorbing plate is high in sound absorbing efficiency, very good in structural stability and free of deformation; the metal sound absorbing plate is good in fireproof effect and nonflammable; the installation and fixation mode of the metal sound absorbing plate is simple, one single metal sound absorbing plate can be fixed, and any one metal sound absorbing plate can be disassembled and assembled without affecting the fixation of other metal sound absorbing plates.