Keywords: Antibacterial Drugs

        Correct use of antimicrobial drugs is the key to treatment for pneumonia, pneumonia after diagnosis, before treatment should be promptly as soon as possible collecting sputum samples after sputum culture, and identification of bacteria and bacterial susceptibility testing, clear etiological diagnosis, so that targeted sensitive antimicrobial treatment. Pneumonia caused most bacteria before the bacterial etiology unseparated out as not to delay treatment, to take a more empirical therapy. If taking into account community-acquired pneumonia, could be considered the first use against pneumococcal and Haemophilus influenzae drugs, such as penicillin, the first-generation cephalosporin, macrolide antibiotics such as. Pneumonia of unknown pathogen serious condition can be chosen the second and third-generation cephalosporins such as cefuroxime, ceftriaxone, etc.; selection of fluoroquinolones following ofloxacin, gatifloxacin gatifloxacin, etc..