[The effect of air purification on 10,000 degree clean room in supply rooms].

This article introduced that purifying equipments were installed in the major operating departments of supply rooms in hospital, and that experimental tests were done on the packing department. In statil state, the air humidity and the number of bacteria in the room after purification was obviously lower than that before purification (P < 0.01). In trending conditions, the main technical index on 10,000 degree clean rooms were examined, all of the results were up to the national standards.