As a power supply equipment with excellent performance,uninterruptible power supply (UPS) plays an important role in ensuring the normal,safe and stable operation of medical equipment,data processing,storage systems,etc. This paper studies the UPS system transformation project of the laboratory department of the Second People's Hospital of Guangdong Province,which realizes the real-time monitoring and management of UPS equipment by replacing the whole set of UPS equipment and its safety management system,effectively reduces the pressure of maintenance personnel,improves the operation level of UPS equipment,and provides a reference for the comprehensive upgrading and transformation of UPS equipment in the hospital system.