对无手术和有连续手术或手术历时2－4h的3个手术问进行空气细菌含董监测．结果：无手术的手术问于消毒后6h内均无菌落生长，12h、22h平均菌落数为106cfu／m3．有手术的手术问于消毒后4h内无菌落生长，6h后空气细菌含量严重超标，在采取相应措施后，达到了标准．提示应重视手术时间长或连续手术的手术间空气的消毒． Airborne bacteria-free monitoring was performed on 3 surgical patients who had no surgery and had continuous surgery or surgery for 2-4 hours. Results: There was no colony growth within 6 hours after disinfection. The average colony number at 12h and 22h was 106cfu / m3. Surgical surgery was asked within 4h after disinfection without colony growth, 6h after the bacterial content of air exceeded the standard, after taking appropriate measures, reached the standard. Tips should pay attention to the surgery for a long time or continuous operation of the air disinfection surgery.