The Research Review and Prospects of the Legal Issues of Cross-border Data Flow under the Holistic View of National Security

In order to give full play to the value of data, we should construct the governance of cross-border data flow according to the problems existing in the practice of cross-border data flow under the overall national security concept : improve the supervision system of cross-border data flow ; improve the classification system of cross-border data flow ; promote the legal protection of cross-border flow of personal information; establish an international cooperation mechanism for cross-border data flows ; describe the ' China blueprint ' for cross-border data flow governance. The research summary of the above problems is sorted out, and the prospects are expanded, and suggestions for improvement are put forward, to benefit the governance of cross-border data flow under the overall national security concept.