肠球菌为条件致病菌,是肠道中的正常菌群,当机体免疫力低下时可致严重感染,如尿路感染、心内膜炎、菌血症,创面感染等。随着广谱抗生素的广泛使用,多重耐药的肠球菌,特别是耐万古霉素的肠球菌的出现成为临床治疗的难题,并且成为我院除葡萄球菌外占第二位的引起医院内感染的革兰 Enterococcus is a pathogenic bacteria, is the normal flora in the intestine, when the body immunity can cause severe infections, such as urinary tract infections, endocarditis, bacteremia, wound infections. With the widespread use of broad-spectrum antibiotics, the emergence of multidrug-resistant enterococci, especially vancomycin-resistant enterococci, has become a clinical challenge and has become the second most common cause of nosocomial infections in our hospital other than staphylococci Gram