Good management of ward clean, right transfusion time, practice of disinfection principles can lessen air bacterial contamination and intravenous transfusion contamination.

• 应加强病室清洁管理和输液时的无菌操作管理,合理安排病室清扫和输液时间,减少空气污染,防止输液操作各环节造成的污染。