Respiratory Pathogen Test is an indirect immunofluorescence reagent test that detects IgM of pathogens in human blood to confirm the specific type of pathogens that cause respiratory system diseases. Currently, respiratory pathogens include respiratory syncytial virus, coxsackievirus, influenza B virus, influenza A virus, Chlamydia pneumoniae, Mycoplasma pneumoniae, and adenovirus. Respiratory pathogen detection is currently a routine means of detection of respiratory infectious diseases, such as Mycoplasma pneumoniae, viral pneumonia, bronchitis, etc., generally about a week after the infection can be detected to the specific type of causative organisms, and has the characteristics of time-consuming, high precision, so the respiratory pathogen test for the diagnosis of respiratory diseases as well as the follow-up treatment, has an important role in guiding.