Introduction of infection department: the full name of hospital infection department should be "controlling hospital infection department". As the name implies, its main job is to effectively control hospital infection. The work of hospital sensory department has its technical components, but it is mainly administrative work. So ordinary doctors and nurses can. People engaged in health management can certainly be competent. A hospital is a unit engaged in medical treatment. In order to prevent iatrogenic infection, medical staff must be responsible for medical staff and patients to ensure that they cannot be infected because of medical activities. This is the work of the hospital sensory department. These include training medical staff to prevent iatrogenic infection, medical waste management, disinfection management, disposable medical and health supplies audit and post-use treatment.