On December 19, the second Guangdong Hong Kong Macao Data Cooperation Conference was successfully held in Nansha, Guangzhou. With the theme of "gathering the power of digital intelligence in Nansha, building a high-level cooperation platform for Guangdong Hong Kong Macao data, and enabling high-quality development of the digital economy in the Greater Bay Area", the conference brought together leaders of competent government departments, representatives of relevant competent organizations in Guangdong, Hong Kong and Macao, academicians of the CAE Member and many authoritative experts on the new direction of data cooperation in Guangdong, Hong Kong and Macao Discuss new opportunities and paths, and indicate future development directions. The conference is jointly hosted by the Management Committee of Nansha Economic and Technological Development Zone in Guangzhou, the Guangzhou Municipal Bureau of Industry and Information Technology, the National Engineering Center for Next Generation Internet, and the China Institute of Electronic Technology Standardization. The Innovation Center for the Guangdong Hong Kong Macao Greater Bay Area of the National Engineering Center for Next Generation Internet and the Key Laboratory of Standardization Technology for New Generation Information Security and Privacy Protection of the Ministry of Industry and Information Technology jointly undertake it. The purpose of this conference is to build an influential Guangdong Hong Kong Macao data cooperation and exchange platform, gather consensus from all parties, strengthen policy coordination and legal protection among the three regions, collaborate on data infrastructure construction, comprehensively enhance the advantages and capabilities of the Nansha data service support system, provide new ideas and methods for Guangdong Hong Kong Macao digital cooperation, and provide strong support for the development of the global digital economy. Xing Hua, member of the Party Working Committee and Deputy Director of the Management Committee of Nansha Economic and Technological Development Zone, pointed out in his opening speech that developing the digital economy and deepening regional data cooperation have important strategic significance. Nansha will actively explore more secure, reliable, orderly and convenient cross-border data circulation mechanisms, carry out research on important cross-border data catalogs, data classification and supervision mechanisms, and data cross-border circulation security management technologies, Create a number of cross-border innovative application scenarios for Guangdong Hong Kong Macao data, further expand the space for digital industry cooperation with Hong Kong Macao, and create greater impetus for the integration and development of the Guangdong Hong Kong Macao digital economy. At the conference, the signing ceremony of the "Cooperation Agreement on Promoting Technological Innovation and Application Practice of Cross border Compliance Circulation of Guangdong Hong Kong Macao Data" was held, led by Wang Yutong, Director of the Infrastructure Department of the Guangzhou Municipal Bureau of Industry and Information Technology, and Wang Wenjing, Director of the Nansha District Bureau of Industry and Information Technology, Hu Ying, Director of the Data Security Department of the Network Security Center of the China Institute of Electronic Technology Standardization, and Zhang Hanzhuo, Director of the Innovation Center for the Guangdong Hong Kong Macao Greater Bay Area of the Next Generation Internet National Engineering Center, respectively signed cooperation agreements on behalf of the four parties. Sifang fully leverages its own advantages, closely aligns with the cross-border data needs of the Greater Bay Area, promotes deeper, broader, and higher-level practical cooperation, and will open up new opportunities for cross-border data cooperation in the Guangdong Hong Kong Macao Greater Bay Area. The conference also held the establishment ceremony of the Expert Committee of the Guangdong Hong Kong Macao Data Cooperation Conference. Wu Hequan, academician of the CAE Member, served as the chairman of the Expert Committee, including Yang Chongwei, director of the Office of Personal Data Protection of the Government of the Macao Special Administrative Region, Liu Dong, director of the National Center for the Next Generation Internet Project, Huang Ji'er, director of the Hong Kong District of the Chinese Law School and a senior barrister, member of the Advisory Committee of the Macao University of Science and Technology Senior experts including Zhao Xichen, director of the Macau Digital Development Association. Experts will continue to provide suggestions and suggestions for the industrial and technological development of cross-border data circulation in Nansha, Guangzhou and the Guangdong Hong Kong Macao Greater Bay Area, and promote the high-quality development of the digital economy in the Greater Bay Area. 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