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分析各型重型病毒性肝炎５５例，发生院内感染２３例，感染率为４１．８２％。感染最常见的部位为肠道，占３９．２９％，感染病原菌以＂条件致病菌＂为主。院内感染并发症及病死率均高于非院内感染，二者差异有显著性。预防重症肝炎院内感染的对策有：（１）加强支持疗法，重视机体免疫功能的恢复；（２）合理使用抗生素；（３）积极使用恢复肠道菌群的药物；（４）缩短住院时间；（５）加强消毒隔离，提高护理质量。
Analysis of 55 cases of various types of severe viral hepatitis, nosocomial infection in 23 cases, the infection rate was 41.82%. The most common site of infection is intestinal tract, accounting for 39.29% of the infected pathogens to “opportunistic pathogens”. Nosocomial infection complications and mortality were higher than non-nosocomial infections, the difference was significant. Prevention of severe hepatitis nosocomial infections are: (1) to strengthen the supportive treatment, emphasis on the recovery of immune function; (2) the rational use of antibiotics; (3) the active use of the recovery of intestinal flora drugs; (4) shorten the hospital stay; (5) to strengthen disinfection and isolation, improve the quality of care.