Methods Minimal inhibitory concentration ( MIC) and minimal bactericidal concentration ( MBC) were observed by different concentration of Jiulinggao in nutrient agar medium and nutrient bouillon medium; 方法制备不同浓度的含药营养琼脂培养基和含药营养肉汤培养基,观察久灵膏的最低抑菌浓度(MIC)和最低杀菌浓度(MBC);