Objective To investigate the efficacy of meropenem infusion for different time in the treatment of postoperative pulmonary infection in the department of neurosurgery.Methods The therapeutic effects of two regiments of meropenem on patients with postoperative pulmonary infection from January 2013 to December 2015 were analyzed,and the clinical effective rates and bacterial effect and the adverse reactions were evaluated.Results The clinical effective rates and the clearance rates of Pseudomonas aeruginosa a...