Parking operation and maintenance system is introduced to eliminate low management efficiency, poor customer experience and difficulty in data analysis. It benefits enterprises by bringing the following changes: Ø 1. Simplifying Process: It simplifies and shortens the required time of event reporting and processing of devices to improve customer satisfaction. Ø 2. Event Handling: Real-time report of events enables instant and timely handling of events and solving problems of devices Ø 3. Optimizing Business Data: Full-business service node recording, data visualization, and business optimization driven by data Ø 4. Monitoring Devices: Real-time device information with monitoring of devices’ status for instant and timely understanding and handling of devices’ problems