为预防病毒性肝炎等传染病在医院内的交叉感染,多用福尔马林对病历等进行熏蒸消毒。但所用药物剂量、作用时间等很不一致,消毒效果也未做检查。为此,我们进行了福尔马林对乙型肝炎表面抗原(HBsAg)、脊髓灰质炎病毒、枯草芽胞杆菌、大肠杆菌和金黄色葡萄球菌等的消毒试验,并用过氧乙酸进行对照,试验结果如下: For the prevention of infectious diseases such as viral hepatitis in the hospital cross-infection, and more use of formalin for medical records and other fumigation. However, the dose of the drug used, the role of time is very inconsistent, disinfection has not been checked. For this reason, we conducted a formalin disinfection test on hepatitis B surface antigen (HBsAg), poliovirus, Bacillus subtilis, Escherichia coli and Staphylococcus aureus, and peracetic acid for control, the test results as follows: