In order to promote the study and implementation of the overall national security concept in a deeper and more practical way, and to guide the broad masses of citizens to enhance their awareness of national security, on the occasion of the seventh National Security Education Day, the relevant central departments organized the compilation of the second batch of 3 and the second batch of national security popularization books in key areas, which are part of the “Overall National Security Concept Popularization Series” organized and compiled by relevant central departments