Logistics industry is one of the important supporting industries of China's national economy, and digitization has also become the key to the upgrading of logistics industry. Especially in the current construction of a new development pattern in which the domestic big cycle is the main body and the international and domestic double cycles promote each other, accelerating the smooth logistics channel has become an important force point, and the logistics industry has also become an important landing direction and practice scene for the digitization of China's industrial economy. Theme: Theory and practice of digital logistics under the background of digital economy In order to promote the combination of theory and practice of digital logistics, an academic conference on "digital logistics theory and practice in the context of digital economy" hosted by Guangdong Institute of operations research (hereinafter referred to as "Institute of operations research") and logistics branch of Guangdong Institute of operations research (hereinafter referred to as "logistics branch") was held in Guangzhou on November 20. Experts and scholars, enterprise executives and industry leaders from Guangdong, Hong Kong, Macao, the Great Bay area, the Yangtze River Delta, Beijing and Thailand attended the meeting. The meeting was held in the form of combination of online and offline. Meeting site Professor Cao Bingyuan, chairman of Guangdong Institute of operations research, Professor Wang Shufeng, vice chairman and chairman of logistics branch, Ms. LAN Bing, chairman of Dongguan port lantianxing integrated logistics Co., Ltd., Mr. He Dengcai, vice president of China Federation of logistics and procurement and China logistics society, Professor Zhang Jingzhong, academician of Chinese Academy of Sciences, and Mr. Chen Yaosheng, vice president of Thai Chinese Youth Chamber of Commerce, Professor Yang Ying, consultant of logistics branch of Guangdong Institute of operations research, counselor of Counselor Office of Guangdong Provincial People's government, Mr. Wang Junzheng, executive president of outlook new era magazine, assistant president of economic management magazine, associate researcher Mei Lianjun, honorary president of logistics branch of Guangdong Institute of operations research, Professor Xie Ruhe of Guangzhou University, honorary president of logistics branch of Guangdong Institute of operations research More than 100 people attended the meeting, including Professor Huang Guoquan of the University of Hong Kong, honorary president of the logistics branch of Guangdong Institute of operations research and vice president of Xiangfeng of Yuantong Express Co., Ltd. group photo Six main reports were arranged for the academic conference. Professor Wang Shufeng of Guangdong Baiyun University gave a lecture on digital logistics theory and its application fields, Professor Tang Huajun of Macao University of science and technology gave a lecture on the development and trend of global supply chain financing mode, Professor Huang Guoquan of Hong Kong University gave an online lecture on hyperinventory - over inventory, and Professor Huang Han of South China University of technology gave a lecture Micro search solution algorithm and application of two-level vehicle routing problem, Professor Yang Guangren of Jinan University gave a lecture on the challenges and opportunities of statistics in the big data era, and Mr. Xiang Feng of Yuantong express company gave an online lecture on opening up a new space in the express industry with scientific and technological applications In addition, there are five sub forum reports. The report focuses on the theme of the conference, and carries out in-depth discussion from multiple levels and angles such as theory, technology and application, so as to provide theoretical models and practical solutions for the realization of the goal of "digital economy". Meeting site Digital logistics is based on the theories and methods of digital economy, digital technology, machine learning and computing thinking. The variability and complexity of market demand and digital industrialization have promoted the digital transformation of manufacturing, circulation and logistics. Digital transformation is guided by supply chain, value chain and industrial chain, and combined with new economic theories and methods and emerging technologies Therefore, the future will bring systematic innovation in corporate culture, organizational structure, business process, human capital and so on. The successful holding of this academic conference fully demonstrates the latest academic achievements, research progress and application practice in the field of logistics operations research in the Greater Bay area of Guangdong, Hong Kong and Macao. Under the current digital economy background, it promotes the theoretical research of digital logistics and high-quality economic development, promotes the major strategy of China's digital economy development, promotes the regional coordinated development of the Greater Bay area of Guangdong, Hong Kong and Macao, and promotes the logistics of Guangdong Province And supply chain discipline construction and development is of great significance. Activity silhouette: Professor Wang Shufeng, vice president of Guangdong Institute of operations research and chairman of logistics branch, delivered a welcome speech Speech by Professor Cao Bingyuan, chairman of Guangdong Institute of operations research Ms. LAN Bing, vice president of logistics branch and chairman of Dongguan port lantianxing integrated logistics Co., Ltd., delivered a speech Video speech by he Dengcai, vice president of China Federation of logistics and procurement and China Logistics Society Video speech by Professor Zhang Jingzhong, academician of the Chinese Academy of Sciences Video speech by Chen Yaosheng, vice president of Thai Chinese Youth Chamber of Commerce Video speech by Mei Lianjun, assistant director of economic management magazine and associate researcher Professor Yang Ying, consultant of logistics branch of Guangdong Institute of operations research and counselor of Counselor Office of Guangdong Provincial People's government, attended the meeting Professor Xie Ruhe, honorary president of logistics branch of Guangdong Institute of operations research and professor of Guangzhou University, attended the meeting Chairman Cao Bingyuan and President Wang Shufeng presented awards and medals to outstanding group members Counselor Yang Ying and President Wang Junzheng presented awards and medals to outstanding individual members President Wang Shufeng presented the honorary president plaque to Professor Huang Guoquan of the University of Hong Kong (Dr. Luo Hao accepted the plaque on his behalf) Professor He Yong, vice president of logistics branch and vice president of Management School of Guangdong University of technology, presided over the opening ceremony Professor Wang Shufeng of Guangdong Baiyun University gave a keynote report - "digital logistics theory and its application fields" Professor Tang Huajun of Macao University of science and technology gave a theme report - "development and trend of global supply chain financing model" Professor Huang Han of South China University of technology gave a keynote report - "micro search algorithm and application of two-level vehicle routing problem" Professor Yang Guangren of Jinan University gave a keynote report - "challenges and opportunities of statistics in the era of big data" Associate Professor Zhong Yaoguang of Dongguan Institute of Technology reported the research results at the sub Forum - "Research on government subsidy strategy of agricultural e-commerce supply chain from the perspective of Rural Revitalization" Professor Cao Xiyu, Dean of the school of economics and trade of Sun Yat sen University of Electronic Science and technology, reported the research results at the sub Forum - "Research on emission reduction decision-making and coordination of dual channel supply chain based on dual low-carbon publicity" Cao Guangxin, manager of the research department of Guangzhou port group, reported the research results at the sub Forum - "Research on Evaluation of logistics competitiveness of port a" Associate Professor He Jingshi of Dongguan vocational and technical college reported the research results at the sub Forum - "Research on green logistics efficiency and influencing factors of China's three Bay urban agglomeration under carbon emission constraints" Associate Professor Fu Kaikai of Guangdong University of Finance reported the research results at the sub Forum - "transnational supply chain decision-making and coordination considering the participation of tariffs and third-party international logistics service providers" Handover ceremony of the fourth general meeting of the first session, the fourth council of the first session and the organizer of the Fourth Academic Conference of logistics branch of Guangdong Institute of operations research