由于医院流动人员多，且多为抵抗力弱的人员，医院内带各种病原微生物的尘埃颗粒呈悬浮状态，以气溶胶方式在空气中传播，增加了医院交叉感染。我院1998~2000年采用84消毒液喷雾消毒门诊及病房空气，由于其稳定性差，现改用健之素。为了解用这两种消毒剂消毒前、后病房空气中的 Due to the large number of hospital personnel and the mostly weak resistance workers, the dust particles in the hospital with various pathogenic microorganisms are suspended and aerosolized in the air, increasing the hospital’s cross-infection. Our hospital from 1998 to 2000 using 84 disinfectant spray disinfection clinic and ward air, due to its poor stability, now use Jianzhi Su. In order to understand the use of these two disinfectants before and after ward air