Protective mask and preparation method thereof

The invention belongs to the technical field of protective articles, and particularly relates to a protective mask and a preparation method thereof. The protective mask provided by the invention comprises a main body and ear rope sleeves, wherein the main body comprises a fabric layer, a first porous membrane material layer, a two-component fabric layer, a second porous membrane material layer anda non-woven fabric layer which are sequentially stacked from outside to inside; a hot melting fiber net is arranged between the fabric layer and the first porous membrane material layer; the first porous membrane material layer and the second porous membrane material layer are polytetrafluoroethylene porous membranes or melt-blown non-woven fabrics independently; and at least one of the first porous membrane material layer and the second porous membrane material layer is a polytetrafluoroethylene porous membrane. The first porous membrane material layer and the second porous membrane materiallayer form a double-layer