This kit is used for the in vitro qualitative detection of common clinical respiratory pathogens in human sputum, including Haemophilus influenzae (HI), Streptococcus pneumoniae (SP), Acinetobacter baumannii (ABA), Pseudomonas aeruginosa (PA), Klebsiella Pneumoniae (KPN), Stenotrophomonas maltophilia (Smet), Bordetella pertussis (BP), Bacillus parapertusss (Bpp), Mycoplasma pneumoniae (MP), Chlamydia pneumoniae (Cpn), Legionella pneumophila (Leg). The results can be used as an aid in the diagnosis of hospitalized or critically ill patients with suspected bacterial infections of the respiratory tract. This kit is used for the in vitro qualitative detection of common clinical respiratory pathogens in human sputum, including Haemophilus influenzae (HI), Streptococcus pneumoniae (SP), Acinetobacter baumannii (ABA), Pseudomonas aeruginosa (PA), Klebsiella Pneumoniae (KPN), Stenotrophomonas maltophilia (Smet), Bordetella pertussis (BP), Bacillus parapertusss (Bpp), Mycoplasma pneumoniae (MP), Chlamydia pneumoniae (Cpn), Legionella pneumophila (Leg). The results can be used as an aid in the diagnosis of hospitalized or critically ill patients with suspected bacterial infections of the respiratory tract.