SMS non-woven fabric (English: Spunbond + Meltblown + Spunbond Nonwovens) is a composite non-woven fabric. It is a composite product of spunbond and meltblown. It has the advantages of high strength, good filtration performance, no binder and no toxicity. At present, it is mainly used for medical and health labor protection products such as surgical gowns, surgical caps, protective clothing, hand washing clothes, handbags, etc.