ABSTRACT
Objective To investigate and assess the cleaning methods of re-using medical apparatus as well as choise the best one. Methods Five hundred metal appliances with moderate contamination were slected from supplying room and then divided into two groups. Two hundred and fifty pieces of control group were soaked by routint chlorine - containing sterilizating liquid , whereas in observation group, chlorine - containing sterilizating liquid adding multi-enzyme cleaning agent was applied with. Results Cleaning degree and residual blood contamination of both groups were tested by sampling survey, showing that the cleaning method of adding multi-enzyme cleaning agent is more prior to that with no multi-enzyme cleaning agent adding. Conclusion Cleaning method of adding multi-enzyme cleaning agent is more preferal method for supplying room.