OBJECTIVE To monitor disinfection effectiveness at medical care units in Dongcheng District,Beijing,and therefore,analyze the existing problems in the process and how to solve them.METHODS Air monitoring was conducted by means of plate vessel exposure,hands and article inspection by daubing,steamed pressure disinfection by biological-bacterial piece examination and the using disinfection liquid was examined by fixed suspended liquid tests from Jan to Nov 2005.RESULTS After monitoring and inspecting 23 hospitals,103 clinics,etc,the results showed the disinfection effectiveness was of significant variety.CONCLUSIONS Medical workers should be trained about knowledge related to disinfection and medical management and disinfection control should be strengthened.