医院感染是目前一个严重的公共卫生问题。我国住院病人的感染率一般在 5 %～ 18%之间 ,平均为10 %左右 ,其中医疗用品消毒不彻底是造成医院感染的主要途径之一。消毒剂使用是医院消毒的一个重要手段。但使用中消毒剂受到污染的情况日趋严重 ,这不但降低了消毒质量 ,影响了消毒 Hospital infection is now a serious public health problem. Infection rate of inpatients in China is generally between 5% and 18%, an average of about 10%, of which disinfection of medical supplies is not thorough is one of the main ways to cause nosocomial infection. Disinfectant use is an important means of hospital disinfection. However, the use of disinfectants is getting worse, which not only reduces the quality of disinfection, affecting the disinfection