医院的候诊室、病房、治疗室、实验室、重症监护室和手术室等室内环境的空气质量的优劣不但直接影响到病人的治疗、康复,同时也直接影响到医务工作者的健康。室内致病微生物往往是导致病人病情复发或加重、继发呼吸道感染和发生院内交叉感染的重要原因。据报道[1],对病房进行空 The quality of the air in the hospital waiting room, ward, treatment room, laboratory, intensive care unit and operating room indoor environment not only directly affects the patient’s treatment, rehabilitation, but also directly affect the health of medical workers. Indoor pathogenic microorganisms are often the leading cause of recurrent or exacerbation of the patient’s condition, secondary to respiratory tract infection and the occurrence of cross-infection in the hospital an important reason. It is reported [1] that the ward is empty