抗感染药物是目前临床上应用最广、更新最快、品种最多的药物之一,在医院药品支出中占有特殊的地位,涉及到各科医师用药,常用品种大多进入药品消耗排名的前列。抗感染药物的临床应用受到药物本身(抗菌谱、药动学)、疾病情况(菌种、感染部位)、患者生理状况(肝肾功能)、特殊人群 Anti-infective drugs is currently one of the most widely used, fastest-updated and most widely used drugs in clinical practice. It occupies a special position in the hospital expenditures for medicines. It involves the use of medicines by various departments and most of the commonly used varieties enter the forefront of drug consumption rankings. The clinical application of anti-infectives is influenced by the drug itself (antimicrobial spectrum, pharmacokinetics), disease status (strain, site of infection), patient’s physiology (liver and kidney function), special population