Due to the large population, there is great pressure to seek medical treatment in the face of a large-scale epidemic outbreak; Medical resources are relatively scarce, limited by economic conditions, and the infrastructure for dealing with infectious diseases needs to be improved.

In the construction of infectious ward, especially the isolation ward with high technical requirements, there is a lack of unified standards and technological requirements. Infectious diseases, especially severe infectious diseases, seriously affect people's health, economic development, national security and social stability, and our country has to be ready to deal with all kinds of possible infectious diseases, therefore, the construction of our public health system is urgent. As one of the key links to deal with infectious disease control, the construction of negative pressure isolation ward clean equipment project should also be mentioned by the relevant departments to a higher height.