Abstract: Under the circumstances of major changes unseen in a century, the scientific and technological revolution is accelerating, anti-globalization is resurging, local conflicts and turmoil are frequent, and the COVID-19 epidemic is pandemic, and the global innovation ecology is facing major challenges. Based on the systematic review of the concept, structure, theoretical basis and practical challenges of the globally open innovation ecology, this paper takes the IC industry as the research object, clarifies its globally competitive situation and innovation layout, focuses on the two major Chip Acts of the Europe and the United States, analyzes the motivation and key contents of its enactment, and further elaborates on its constituent entities, construction elements and openness. Then the trend of global opening of innovation ecology is analyzed, and the difficulties in its development process are clarified. Finally, the countermeasures and suggestions are put forward to promote China to build an open innovation ecology with global competitiveness.