关键词: 总体国家安全观；安全思想；安全领域；安全战略

Abstract: The overall concept of national security has rich connotations， and an indepth interpretation of it is conducive to the full implementation of its important ideas in practical work.This paper screens and sorts out 779 XI Jinpings important discussions on overall national security concept in the past 40 years. It also analyzes word frequency and coding with NVivo12 software. It is found that the development of the overall national security concept has gone through the embryonic stage， the formation stage and the deepening stage. It is embedded with three dimensions: security thought， security field and security strategy. The overall national security concept has built a security concept with the people as the center， defined the security connotation with development， and defined the security strategy with the winwin cooperation of the community of shared future of mankind， which has surpassed the security theories of western countries and formed Chinese characteristics.

Key words: overall national security concept; security thought; security field; security strategy