The Hong Kong Flower Show, a hallmark event attracting flora enthusiasts from around the globe, presents a vivid tableau of how the integration of adept human resource (HR) systems (such as HRIS/ HRMS/ HCM) and business software can transform the management of large-scale events. The 2024 iteration, set against the bustling backdrop of Hong Kong, exemplified precision in organizational execution, drawing on innovative HR strategies and cutting-edge business software. Hosting such an event, with its myriad of challenges, illuminated the critical role an efficient HR system plays in orchestrating a seamless experience for participants and organizers alike.