The utility model provides an activated carbon insole, which comprises an insole surface and an insole bottom, and is characterized in that the inner sides of the insole surface and the insole bottom are respectively bonded with a non-woven paper layer or a non-woven cloth layer. A sponge layer or an activated carbon fiber layer attached with the activated carbon is further bonded between the non-woven paper layers or the non-woven cloth layers. A harden paper layer is bonded between the sponge layers with the activated carbon. The utility model has the effects of elimination of the smell, water absorption, mildew resistance and far infrared ray, and has the advantages of comfortable and convenient using, low cost and simple structure.