This material is made of polypropylene by special melt-blown method, and laminated melt-blown material is made by decompression. A new composite melt-blown filter material is prepared by compounding two-component skeleton non-woven fabric. This material reduces filtration resistance and increases dust content. It has the characteristics of high efficiency, low resistance, water resistance, high strength and environmental protection. It is widely used in filters, household purifiers, fresh air systems and purification workbenches, aseptic operating rooms, steam disinfection special occasions.