▎ 摘　　要

NOVELTY - Multilayer meltblown nonwoven fabric is composed of an upper layer of meltblown nonwoven fabric, an intermediate layer of meltblown nonwoven fabric, and a lower layer of meltblown nonwoven fabric. USE - As multilayer meltblown nonwoven fabric. ADVANTAGE - The method: improves the stability of the production; reduces the requirement of the raw material; can eliminate the peculiar smell of the produced blown fabric; can improve the toughness of multilayer meltblown nonwoven fabric will not generate too hard or too brittle problem; has the inhibition rate of the Escherichia coli can reach 99.92%; the inhibition rate of Staphylococcus aureus can reach 99.94%; the top breaking strength can reach 497 N; and after 100 times of standard washing, the bursting strength can still reach 450 N. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation method of the multilayer meltblown non-woven fabric, involving preparing a surface layer of melt-blown non-woven fabric, preparing an intermediate layer of melt-blown non-woven fabric, and preparing a fine filter layer of melt-blown non-woven fabric, and composite.