Based on the vision of people-centered development，Datong government takes “12345” government service convenience hotline as the starting point of the digital and intelligent upgrading of government services. It systematically plans the “12345” upgrading idea，clarifies the requirements of “12345” platform，establishes the “4+1+1” service system，promotes the integration and innovation of technology and business，establishes a smooth and scientific working mechanism and build an agile service platform for Datong “12345” government service convenience hotline. Through the “two-wheel drive” of technology and mechanism innovation，Datong ‘12345’ government service convenience hotline has preliminarily built a unified fast track for people’s livelihood demands in the city，created a 7*24-hour “sleepless government”，bridged government and people more efficiently，conveniently and with human interest. The hotline promotes the digital and intelligent upgrading of governance services to a deeper level. It laid a solid foundation for Datong to promote the transformation and upgrading of governance services and building service-oriented government，and meanwhile provide experience for the digital and intelligent upgrading of similar business.