OBJECTIVE To investigate pathogens distributions and drug sensitivity for respiratory tract infection in our hospital.METHODS From Jan 2009 to Dec 2010 we collected 6 848 sputum samples of the patients who were diagnosed respiratory tract infection,bacterial distribution and antibiotic sensitivity of the pathogens isolated by routine bacterium culture in our hospital.Data were analyzed retrospectively.RESULTS A total of 2 801 pathogens which occupied 40.9% of sputum and pharynx swabs culture were detected i...