目的评价加替沙星治疗肺部感染的疗效和安全性。方法加替沙星治疗肺部感染94例,给予盐酸加替沙星针400mg/d,分2次静脉注射,观察临床症状并进行实验室检查、细菌学检查,评价临床疗效及细菌学疗效。结果临床总有效率90.4%,细菌清除率为91.5%,不良反应少,且能耐受。结论加替沙星治疗肺部感染疗效佳,使用安全。 Objective To evaluate the efficacy and safety of gatifloxacin in the treatment of pulmonary infection. Methods 94 cases of gatifloxacin were treated by gatifloxacin and 400 mg / d gatifloxacin was given intravenously. The clinical symptoms were observed and the laboratory and bacteriological examination were performed to evaluate the clinical efficacy and bacteriological efficacy. Results The total clinical effective rate of 90.4%, bacterial clearance rate of 91.5%, fewer adverse reactions, and can tolerate. Conclusion Gatifloxacin is effective in treating pulmonary infection and safe to use.