Abstract:Data governance of government pays attention to release the commercial value of data by promoting the development and utilization of government data and supporting market-oriented allocation of data resources. The evolution from the data opening and sharing to data large-scale development and utilization about Chinese government properly explains the practical path of Chinese-style modernization. Based on the fundamental value orientation of "people-centered" and the institutional guarantee system of "combination of conditionally active government and efficient market", this paper introduces a long-term mechanism of government data governance by reviewing relevant studies, including government data governance, data value and Chinese-style modernization, then explains in order about logical starting point, governance process, and core values of government data governance. And based on the above explanations, a value realization model for government data governance from the perspective of "demands - digital governance - values" is proposed, which means to take meeting the real, potential, ecological needs of multiple subjects, realize people's aspirations for a better life as the logical starting point, and promote the construction of a long-term mechanism of "digital governance system establishment - data innovation system - implementation governance activities", and make both conditionally active government and efficient market can meeting their own field developments about integration of scenarios , thereby achieving a balance between public value and commercial value.