On the 14th, the Hong Kong Special Administrative Region Government held a special seminar on the White Paper on the Practice of Safeguarding National Security in Hong Kong under the "One Country, Two Systems" policy at the government headquarters. Li Jiachao, Chief Executive of the Hong Kong Special Administrative Region and Chairman of the Hong Kong Special Administrative Region Committee for Safeguarding National Security, Zhou Ji, Director of the Liaison Office of the Central Government in Hong Kong and National Security Advisor of the Hong Kong Special Administrative Region Committee for Safeguarding National Security, and Dong Jingwei, Director of the National Security Office in Hong Kong, attended the seminar and delivered speeches. Wang Zhenmin, Vice President of the National Hong Kong and Macau Studies Association and Professor at Tsinghua University Law School, and Tan Huizhu, former Deputy Director of the Hong Kong Basic Law Committee of the Standing Committee of the National People's Congress, delivered keynote speeches at the seminar, elaborating on the essence and important viewpoints of the white paper. Key officials of the Special Administrative Region government, members of the Executive Council, members of the Legislative Council, personnel of the judiciary, as well as personnel of the central government stationed in Hong Kong, attended the seminar. Li Jiachao stated in his speech that the white paper is of utmost importance to the Hong Kong Special Administrative Region and has a decisive guiding significance; The timing of the release of the white paper is crucial and has a warning significance based on reality; The white paper systematically discusses the use of the "Six Adherences" to safeguard the high-quality development of the "One Country, Two Systems" cause with high-level security, which has practical significance for implementation. Li Jiachao stated that safety is of paramount importance in the country. The stable and prosperous situation we have today is hard won and must be cherished even more. We will continue to lead the Special Administrative Region in safeguarding national security and promoting economic development, guided by the overall national security concept. We will grasp the "Six Adherences" for safeguarding national security under the "One Country, Two Systems" policy outlined in the White Paper, fully safeguard national sovereignty, security, and development interests, and provide high-level security to safeguard the high-quality development of the "One Country, Two Systems" cause. Zhou Ji stated that the white paper has significant and far-reaching significance for rectifying the root cause, consolidating consensus, and consolidating Hong Kong's transition from chaos to governance to a state of governance and prosperity. He shared three insights: firstly, to deeply grasp the historical logic of Hong Kong's maintenance of national security and always adhere to the highest principle of "one country, two systems"; Secondly, we must deeply grasp the institutional logic of Hong Kong in safeguarding national security, and consistently uphold national security on the track of the rule of law; Thirdly, we must deeply grasp the practical logic of safeguarding national security in Hong Kong and continue to promote the high-quality development of the "One Country, Two Systems" cause with high-level security. Dong Jingwei stated that the white paper clearly elucidates the central government's firm commitment to safeguarding national security and upholding the principle of "one country, two systems". It deeply summarizes the experience and inspiration of Hong Kong in safeguarding national security under "one country, two systems", and profoundly points out that Hong Kong's maintenance of national security is to defend "one country, two systems", safeguard national sovereignty, security, and development interests, ensure Hong Kong's long-term prosperity and stability, and inject strong momentum into further consolidating the consensus of using high-level security to safeguard the high-quality development of the "one country, two systems" cause. (New Society)