The ISCS is a comprehensive supervision and control system based on the urban rail cloud platform, which integrates new-generation information technologies such as the IoT, cloud computing, big data, and BIM visualization. It provides comprehensive intelligent operation and maintenance solutions and services throughout the entire life cycle. The intelligent comprehensive supervision and control system enables intelligent analysis of passenger flow, environment conditions, energy consumption, and equipment stability, achieving intelligent integrated monitoring of more than twenty professional subsystems, including power supply and environmental control. This ensures rapid interconnection and emergency response among systems, enhances overall automation level, operation management level, service quality, and service level of urban rail transit, and builds a fully intelligent metro operation.