Abstract: The development and utilization of marine data resources is an important part of digital economic development. Under the framework of the United Nations Convention on the Law of the Sea, all countries in the world carry out in-depth cooperation and promote the development and utilization of international marine data resources. China's marine data governance has ushered in new strategic opportunities and challenges, and going to deepen marine cooperation among countries under the guidance of the concept of "ocean community of shared future". Through sorting out the current situation of the development and utilization of marine data, there are deficiencies in both the development and utilization phases, and further explanations of the corresponding strategies are made based on the goal of building a marine power, and feasible suggestions for development and utilization of marine data in China and the world are put forward.

Key words: Marine data, Marine data resources, Development and utilization, Ocean Decade, Ocean community of shared future