Scientific data is an important scientific and technological basis and national strategic resource. With the coming of the era of big data, countries all over the world have added scientific data management into their national development strategies. In order to improve the scientific data management in our country and make full use of the development opportunity from big data, the General Office of the State Council officially issued “The Measures for the Administration of Scientific Data” in March, 2018. In the new international and domestic policy on data management, this study analyzed and summarized 11 aspects of international situation of scientific data management, and dissected the development models of developed countries’ scientific data centers deeply. And also, the study put forward new ideas for the policy-making of scientific data, the construction of scientific data centers, the life cycle management of scientific data, the capacity building of data organizations, the authentication of scientific data, the publication of data, the return mechanism of the data and the comprehensive integration, and the safety management of the data in the scientific data management of Earth sciences in China.