SMS nonwoven fabric ( Spunbond + Meltblown + Spunbond Nonwovens) is a composite non-woven fabric, which is made up of a top layer of spun-bond polypropylene, a middle layer of melt-blown polypropylene, and a bottom layer of spun-bond polypropylene, with high strength, good filter performance, without adhesive, non-toxic and so on. At present, it is extensively used in medical and hygiene products like isolation gowns, patient gowns, wound care, laboratory apparel, procedure gowns, surgical drape, caps and face-mask, leg cuff of baby diapers, and adult inconvenience diaper, etc.