1, the discovery of risk factors: through the analysis of a variety of risk factors associated with hospital-acquired infections, such as surgical operations, equipment use, antimicrobial drug application, etc., can reveal the mechanism that causes or facilitates the spread and development of hospital-acquired infections. It helps to improve prevention and control strategies and take corresponding measures to reduce the risk of hospital-acquired infections that will lead to an increase in the risk of hospital-acquired infections in the future or the spread of transmission.
2, improve awareness and monitoring accuracy: the current rate of investigation can enhance the entire medical staff for the prevention and control of hospital-acquired infections of a certain system of importance. The results of the survey also provide an accurate data base for hospital infection surveillance, which helps to identify and solve problems in infection control and improve related policies and guidelines.