Disposable mask has three layers, the outermost layer is the layer of dark color, we should wear it when facing outward, it is a layer of waterproof and splash-proof material made of. And the inside is light-colored, this side should be put it to our face, this layer of material it has moisture and water absorption function. The middle layer between these two layers, which is the core layer of the mask, is made of meltblown cloth, which has the function of filtering and adsorbing fine particles, especially some viruses and microorganisms, which can be filtered and adsorbed by the meltblown cloth. Therefore, the mask has the function of anti-virus and anti-bacteria only with the meltblown fabric. This is the general material can not be replaced, so the disposable medical surgical mask has a good protection as well as anti-virus effect, it can not be replaced by the general disposable mask, so when wearing the mask should be fully wrapped with the mouth and nose with the mask, this can play a good protection effect.