Multi-layer carpet and preparation method thereof

The invention discloses a multi-layer carpet and a preparation method thereof. The multi-layer carpet comprises an upper-layer carpet body and a lower-layer carpet body, the upper-layer carpet body is provided with a carpet surface layer 1 and a carpet back layer from top to bottom, the lower-layer carpet body is provided with a carpet surface layer 2 and an anti-skid layer from top to bottom, and the upper-layer carpet body and the lower-layer carpet body are detachably connected through the carpet back layer and the carpet surface layer 2 in an adhesive mode. When the carpet back layer is a mute monofilament bundle layer, the carpet surface layer 2 is a mute microfiber layer; or when the carpet back layer is a mute microfiber layer, the carpet surface layer 2 is a mute monofilament bundle layer. After the bottom back of the upper blanket and the surface of the lower blanket are subjected to chemical processing or physical processing, the mute microfiber layer distributed with the superfine fiber wool bundle