Medical masks should speed up the construction of public health system and improve the ability to deal with public health emergencies. The construction of public health emergency response mechanism in China mainly includes public health emergency command system, disease prevention and control system, medical treatment system and health law enforcement and supervision system. Under the leadership of Party committees and governments at all levels, with the strong support of relevant departments and the joint efforts of medical and health workers, China's public health emergency response mechanism has been initially established and gradually improved. However, in order to truly improve the level of disease prevention and control and the ability of emergency treatment, we must improve the function orientation, implement the function responsibility, improve the fund guarantee mechanism, strengthen the information and command system, and strengthen the personnel training and personnel team building, We should do a good job in disease prevention and control, emergency warning and disposal, epidemic situation collection and reporting, monitoring, testing and evaluation, health education and promotion, applied research and guidance, technical management and services. Disposable masks cover a wide range of places and Bai areas, such as schools, food processing, electronic manufacturing enterprises, etc. These are places with dense Dao, and viruses are easy to infect. Therefore, when you wear disposable masks, you not only protect yourself, but also protect others, which greatly reduces the spread of viruses and diseases. The main function of disposable medical protective mask is to isolate the droplets or blood in the air, and also to isolate the body fluid or other secretions of Dao in the air, and also to absorb dust. It is a very good tool to protect the health of doctors. Generally speaking, disposable medical masks must be strictly tested, and certain medical treatment and maintenance can be used.