High flux metal membrane is compound porous material of wire mesh or metal fiber felt and metal powder. It makes full use of the toughness and flux of the support layer of wire mesh, and combined with the high-precision film of surface metal powder to form a high-flux, high-precision compound porous material with high-temperature and corrosion resistance. It has a wide range of application in the field of high-flux and low-resistance high-temperature gas dedusting, which is an ideal substitute for organic baghouse dedusting and electrostatic precipitator.