In the context of deepening the promotion of comprehensive rule of law, improving the national security and rule of law system constitutes the essence of comprehensive rule of law. 1、 The Nature of Improving the National Security Rule of Law System: A Profound Revolution Report of the 20th National Congress of the Communist Party of China pointed out that comprehensive rule of law is a profound revolution in national governance, which is related to the Party's governance and rejuvenation of the country, the happiness and health of the people, and the long-term stability of the Party and the country. This is an important conclusion drawn from the historical experience of our party system, especially from the practice of governing the country and politics since the 18th National Congress of the Communist Party of China. The improvement of the national security and rule of law system is deeply embedded in the profound revolution of comprehensive rule of law, which has had a significant impact on the concept, methods, and paths of improvement. The core essence of the overall national security concept is reflected in the "Ten Adherences", which includes building a systematic, scientific, standardized, and effective national security system. It is under the guidance of new ideas and concepts that the goal of improving the national security and rule of law system is clearer and the direction is clearer, and it is continuously deepening and advancing in the new era. In terms of methods, it emphasizes the deep application of rule of law thinking and methods. Since the 18th National Congress of the Communist Party of China, under the centralized and unified leadership of the Party Central Committee, the construction of national security and the rule of law has accelerated. With the formulation of the National Security Law in 2015 as the guide, more than 20 specialized national security legislation has been successively introduced, hundreds of laws and regulations containing national security provisions have been revised, and internal party regulations such as the "Provisions on the National Security Responsibility System of Party Committees (Party Groups)" have been formulated and implemented, The legal system for national security with Chinese characteristics has basically taken shape. On the path, promote and improve the national security rule of law, strategy, and policy system as a whole. The "three systems" have their respective focuses and complement each other, and are integrated into the national security system. On the one hand, the "three systems" each have their own emphasis on their functions,