The smart one card integration system covers 14 industrial parks and 28 subsidiaries nationwide, with products covering one data center, four core platforms, and more than 20 application scenarios in three categories: security, office, and daily life. The project takes entrance, platform, data, and service as the construction process and means, and constructs a smart enterprise one card+human resources and labor management+big data integration construction+big data cloud operation and maintenance as the core smart service.