手术间空气消毒常规采用甲醛10ml／m3加高锰酸钾5g／m3氧化熏蒸，长期使用对人员身体健康会产生不良影响。实践证明，降量（甲醛2ml／m3加高锰酸钾1g／m3）使用并进行空气培养监测，既保证了消毒效果又最大限度地降低了甲醛对人体的危害性，同时还能节省经费。 Air disinfection surgery routine use of formaldehyde 10ml / m3 plus potassium permanganate 5g / m3 oxidation fumigation, long-term use of personnel health will have a negative impact. Practice has proved that the drop (formaldehyde 2ml / m3 plus potassium permanganate 1g / m3) and the use of air culture monitoring, both to ensure the disinfection effect and minimize the harmful effects of formaldehyde on the human body, but also save money.