喹诺酮类药物是一类具有新的作用机制的广谱抗菌药,作为合成类药物,它的优势体现在它的抗菌活性、药代动力学特性、耐受性和安全性等方面。早期的喹诺酮类药物仅对泌尿系统和胃肠道感染的需氧革兰氏阴性菌有活性。新的喹诺酮类药物具有更广泛的运用和更广谱的抗菌活性。新喹诺酮类药物中有的在治疗社区获得性肺炎和腹腔感染也具有一 Quinolones are a class of broad-spectrum antibacterial drugs with new mechanisms of action. As synthetic drugs, their advantages are reflected in their antibacterial activity, pharmacokinetic properties, tolerance and safety. Early quinolones were only active on aerobic Gram-negative bacteria that are urinary and gastrointestinal infections. The new quinolones have broader use and broader antibacterial activity. Some of the new quinolones also have one in the treatment of community-acquired pneumonia and intra-abdominal infections