Silent film

The utility model discloses a mute film which comprises a sound insulation plate and a supporting plate, the supporting plate is connected to one side of the sound insulation plate, the side, opposite to the supporting plate, of the sound insulation plate is coated with binder, the sound insulation plate is made of polyethylene foaming materials, the supporting plate is made of hard materials, and a plurality of connecting holes are formed in the lower end face of the sound insulation plate. A plurality of protrusions clamped with the connecting holes are arranged on the upper end face of the supporting plate in a protruding mode, each protrusion comprises an inserting part and a clamping part arranged on the top of the inserting part in a protruding mode, grooves staggered with the connecting holes are formed in the lower end face of the sound insulation plate, a plurality of containing grooves are formed in the upper end face of the sound insulation plate, and the bottoms of the containing grooves are sunke