Abstract:Open science is an inevitable trend of scientific development in digital transformation, and it is also a new focus for forming new quality productivity to build international scientific and technological cooperation and competitive advantages. This paper aims to explore the specific role of open science in promoting the development of new quality productivity and analyze the open science governance model suitable for China. Through literature research and comparative analysis methods, this paper sorts out and clarifies the important significance of open science in promoting the "qualitative change" of scientific research paradigms. Representative open science practices in the European Union, the United States and China are selected as cases to compare the differences in different open science models in terms of planning policies, skills training, evaluation systems and investment patterns. From the perspective of scientific governance, it is found that the European Union has both macro-top-level design and micro-evaluation system reform, the United States emphasizes diversified investment and an open pattern of extensive participation, and China has high policy support and journal participation, but has shortcomings such as low layout integrity and poor market flexibility. It is possible to build a Chinese-style open science governance system by strengthening scientific and technological planning, cultivating professional talents, improving the evaluation system and optimizing the funding structure, so as to help build new quality productivity with scientific and technological innovation.