The main business of Harbin Urban Construction Investment Group Co.，Ltd. was the government financing platform before 2014. But in the later，as the reform of government investment and financing system and state-owned enterprises，Harbin Urban Construction Investment Group Co.，Ltd. adjusted its development strategy and business，also improved the modern enterprise management system. After the strategic adjustment of the layout structure of state-owned enterprises in 2019，Harbin Urban Construction Investment Group Co.，Ltd. actively integrated and reorganized its business sector，and successfully transformed into an urban service operator. This report summarizes its transformation experience by describing transformation methods and practices of Harbin Urban Construction Investment Group Co.，Ltd.，in order to provide some ideas and experience for urban investment industry，which face the same transformation dilemma.