A questionnaire survey conducted on the matter concernmg the centralized management of medical electronic (ME) instruments found that 78% of physicians and nurses were in favor of the proposition. According to this result, our hospital began to manage ventilators and low pressure continuous suction instruments under central control at first, and then 13 types of 142 ME instruments. has also The centralization of ME instruments has made it possible to decrease the number of instruments. It has also enabled clinical engineers to find instrument trouble without delay and repair it in our hospital. It saved 62, 220, 000 yen for new instrument cost and 3, 016, 000 yen a year for repair. We concluded that centralized management of ME instruments was efficient, economical and advantageous in terms of safety.