This kit is used for the combined qualitative detection of SARS-CoV-2, influenza A virus, influenza B virus, adenovirus, mycoplasma pneumoniae, chlamydia pneumoniae, respiratory syncytial virus and parainfluenza virus(Ⅰ, II, III, IV) in throat swabs and sputum samples, human metapneumovirus, haemophilus influenzae, streptococcus pneumoniae, klebsiella pneumoniae, staphylococcus aureus, pseudomonas aeruginosa, legionella pneumophila and acinetobacter baumannii.