The main difference between labor protection masks and medical masks is that the application occasions are different and the main objects of protection are also different, and the technical indicators of each implement their own different national standards. Labor protection masks are mainly used to protect workers from dust, smoke and microorganisms and other toxic and harmful substances to meet the requirements of the prevention of occupational diseases, most labor protection masks are mainly dust-proof and do not have waterproof functions, and cannot replace the professional protection of medical masks. Medical masks have a variety of medical protective masks, medical surgical masks, medical nursing masks, etc. The technical requirements of the products meet the corresponding national standards, and the higher the level of protection, the higher the technical requirements of the masks. Medical surgical masks and medical protective masks have waterproof function and can stop the spread of blood, body fluids and splashes, generally with a nose clip, its outer layer is the moisture-proof layer, the middle is the filter layer, and the inner layer is close to the skin, which has a certain protection effect on bacteria and viruses. Medical care mask lacks the filtration effect requirement for particles and bacteria, and can be used for disposable health care in ordinary environment, similar to ordinary labor protection mask.