Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.

• 喹诺酮类药物具有抗菌谱广、抗菌活性强、给药方便,与常用抗菌药物无交叉耐药性、价格低等特点。