(1) Industrial masks have poor breathability and are not good at preventing viruses and bacteria. Although industrial masks can effectively filter fine particles of PM2.5 and below. But at the same time, the water vapor carried in human breath is easily attached to the inner wall of industrial masks, so that the bacteria and viruses attached to PM2.5 are nourished, making industrial masks a petri dish of bacteria and viruses, and consumers ’health is also easily affected The secondary pollution of industrial masks is threatened. Long-term wearing of industrial masks can easily cause permanent damage to the human respiratory system, especially to children and the elderly.

(2) Although civil antibacterial masks are not as good as industrial masks in terms of airtightness. However, it has the advantages of convenient cleaning, suitable for long-term wearing, repeated use, and less damage to the body, and some brands of masks have antibacterial functions. Through the outer layer of antibacterial fabric and the attached filter, it can fight against fine particles and bacterial viruses in the air, so as to achieve comprehensive and effective protection.