目的　了解供应室发物车与回收车工作后细菌污染情况 ,防止供应室与临床科室发生交叉感染。方法　按《医院消毒卫生标准》对供应室工作车物体表面进行监测。结果　回收车工作后细菌污染明显高于发物车 ,两车污染情况比较 P<0 .0 0 1,用 5 0 0 m g/ L 92 1消毒处理后 ,平均有效灭菌率为 93.71%。结论　供应室的工作车应定期进行消毒处理。 Objective To understand the bacterial contamination of the supply vehicle and the recovery vehicle in the supply room and to prevent cross-infection between the supply room and clinical departments. Methods According to the “Hospital Sanitary Standards”, the surface of the supply vehicle work vehicle was monitored. Results Bacterial contamination was significantly higher in the recovery vehicle than in the vehicle. The comparison of pollution between the two vehicles was P 0. 0 0 1 and the average effective sterilization rate was 93.71% after disinfected with 500 mg/L 92 1. Conclusion The working vehicle in the supply room should be disinfected regularly.