The academic seminar on "the 25th anniversary of the practice of 'one country, two systems' in Hong Kong: achievements, experience and prospects", jointly sponsored by the Institute of law of the Chinese Academy of Social Sciences, the Taiwan, Hong Kong and Macao research center and the Taiwan, Hong Kong and Macao law research center, was held by video connection on the 21st. Experts and scholars from many universities and research institutions such as the Chinese Academy of Social Sciences, Peking University, Tsinghua University and Sun Yat sen University participated online. Wang Linggui, deputy director of the Hong Kong and Macao Affairs Office of the State Council, said in his speech that "one country, two systems" is a great initiative of socialism with Chinese characteristics, a new idea and new scheme provided by China for the international community to solve similar problems, and a new contribution made by the Chinese nation to world development. The 25th anniversary of Hong Kong's return to the motherland coincides with the historical convergence of the "two centenary goals". Facing the great changes that have not been seen in the world in a century, Hong Kong is facing unprecedented opportunities and risks. "The more this period and moment, the more we need to sum up historical experience and write a new chapter of" one country, two systems "with a broader thinking.". He pointed out that to carry out the practice of "one country, two systems" in Hong Kong, we should take "cultivating new advantages, developing new roles, realizing new development and making new contributions" as the standard, dare to break old thinking and solve new problems in the practice of "one country, two systems", put forward effective, targeted and feasible opinions and suggestions, and promote theoretical innovation in the field of "one country, two systems" and Hong Kong and Macao research, Jointly promote the great cause of "one country, two systems" and keep going steadily and far. Wang Zhenmin, a professor at the school of law of Tsinghua University, summed up the experience of the successful practice of "one country, two systems", including unswervingly adhering to the principle of "one country, two systems", closely combining the central leadership with giving full play to the main responsibilities of the Special Administrative Region, adhering to the principle of "patriots governing Hong Kong", adhering to governing Hong Kong according to law and planning Hong Kong in the overall situation of national development. He said that over the past two years, we have mainly solved the security problems of Hong Kong. In the next step, we should focus on solving the development problems of Hong Kong on the premise of consolidating security. We should not only make the cake bigger, but also make sure that the achievements of Hong Kong's economic and social development benefit all Hong Kong people more fairly, so as to ensure the long-term stability, prosperity and stability of Hong Kong. Huang Ping, director of the Taiwan, Hong Kong and Macao research center of the Chinese Academy of Social Sciences, believes that Hong Kong should earnestly achieve the "four needs", that is, "the bottom line should be kept", "development should be maintained", "people's livelihood should be held" and "people's hearts should be held". At the same time, Hong Kong society should more actively participate in the construction of Guangdong, Hong Kong and Macao Bay area, give full play to Hong Kong's unique advantages and better integrate into the overall situation of national development. Mo Jihong, director of the Institute of law of the Chinese Academy of Social Sciences, from the perspective of constitutional law, stressed that the special administrative region system should be considered not only from the perspective of the basic law, but also from the perspective of constitutional law and the whole national constitutional system, so as to provide a more scientific, complete, comprehensive and reasonable legal basis for the future development of Hong Kong. The experts also held discussions on enhancing the international community's awareness and understanding of "one country, two systems", better consolidating and enhancing Hong Kong's existing advantages, and promoting a new journey in the practice of "one country, two systems" from a new starting point, so as to make suggestions and suggestions for the stable implementation of "one country, two systems" and the long-term prosperity and stability of Hong Kong. (Xinhua News Agency)