▎ 摘　　要

NOVELTY - The utility model claims an air filter membrane, comprising a filter film body, the filter film body comprises orderly set on the cotton fibre layer, composite filter layer, adsorption layer, silver fibre and plant fibre layer; the composite filter layer comprises orderly arranged bamboo fibre and sepiolite fibre layer, said absorbing layer comprises orderly tightly arranged photo-catalytic TiO2 nanometre particle layer, the graphene layer and the active carbon layer. This utility model is through the dust and other solid material multi-layer filtering and toxic gas absorbing and decomposing effect and can effectively prevent environment pollution to human body.