Sound-absorbing sponge

The utility model discloses a sound-absorbing sponge, and aims to solve the problem that the sponge is inconvenient to clean or replace after being mounted. Key points of the technical scheme are as follows: the key points are as follows; sound-absorbing sponge, the sponge comprises a sponge body, a rubber mat and a plurality of sound-absorbing blocks, a connecting layer is arranged on one side ofthe sponge body; the side, away from the sponge body, of the connecting layer is fixedly connected with the rubber mat. A placing groove for placing the sponge body is formed in the surface of one side, facing the sponge body, of the connecting layer; a fixing device used for fixing the sponge body in the containing groove is arranged on the connecting layer, a taking and placing structure is arranged on the surface of the side, away from the connecting layer, of the sponge body, the taking and placing structure is used for taking the sponge body out of the containing groove, and the multiplesound absorption block ar