Hand swiveling faucet is easy to cause cross infection of bacteria in the hands of medical staff and re pollution after hand washing. In 2009, WS / T 313-2009 "handhygiene standard for medical personnel" issued in China clearly requires that key departments should be equipped with non hand touch faucets, and the qualified medical institutions have reformed the faucets, but many medical institutions are still using hand screwed faucets due to the restrictions of conditions, so the operation details of turning off the faucets should also be paid attention to. Mermel L.A et al. In the investigation of the outbreak of Shigella suis in 22% laboratory technicians, it was found that the infection was caused by a laboratory student. The strain had a consistent antibacterial spectrum and gel electrophoresis mode. Using dry towel to turn off the faucet can effectively play a protective effect. There is no case after using phenol agent to clean and replace the faucet with non hand touch faucet, which shows that using dry towel to turn off the faucet is also an important part of hand hygiene.