目的:探讨西宁地区重症肺部感染合并MODS的特点及治疗原则。方法:分析18例重症肺部感染合并MODS的特点并提出治疗原则。结果:合并2个器官衰竭10例,3个器官衰竭8例,4个器官衰竭4例。存活12例,死亡6例。结论:西宁地区重症肺炎易合并MODS,早期支持呼吸,改善组织氧合,是防治MODS的关键。 Objective: To explore the characteristics and treatment of severe pulmonary infection combined with MODS in Xining area. Methods: The characteristics of 18 cases of severe pulmonary infection complicated with MODS were analyzed and the treatment principle was proposed. Results: There were 10 cases of combined organ failure, 8 cases of 3 organ failure and 4 cases of 4 organ failure. Survival in 12 cases, 6 deaths. Conclusion: Severe pneumonia in Xining is prone to be associated with MODS. Early support of respiration and improvement of tissue oxygenation are the keys to preventing and treating MODS.