The utility model discloses a high temperature resistant spunlaced felt made of polysulfonamide fibers. The spunlaced felt is provided with a layered structure, the upper surface and the lower surface of polysulfonamide base cloth or polysulfonamide composite base cloth are respectively provided with a polysulfonamide fiber layer, the polysulfonamide base cloth is woven cloth made of polysulfonamide fiber yarns, and the polysulfonamide composite base cloth is composite woven cloth made of polysulfonamide fibers and inorganic fiber yarns or chemical fiber yarns. The high temperature resistant spunlaced felt has the advantages that temperature resistance is remarkable, the spunlaced felt can resist high temperature ranging from 110 DEG C to 250 DEG C, instant usage temperature can reach 280 DEG C, and the spunlaced felt is high in heat stability and oxidization resistance and fine in acid resistance, radiation resistance, mechanical strength and wear resistance.