抗菌药物的传统分类方法是按其主要抗菌谱的不同来划分的;按其作用性质的差异则分为四类: 第Ⅰ类繁殖期杀菌剂:如青霉素类、先锋霉素类等第Ⅱ类静止期杀菌剂:如氨基甙类、多粘菌素类等第Ⅲ类速效抑菌剂:如四环素类、氯霉素类、大环内酯类等 The traditional classification of antimicrobial agents is divided according to their main antimicrobial spectrum; according to the differences in the nature of their role is divided into four categories: category Ⅰ breeding season fungicides: such as penicillins, such as class C Quiescent bactericides: such as aminoglycosides, polymyxins such as class III quick-acting antibacterial agents: such as tetracyclines, chloramphenicol, macrolides, etc.