From April 27 to 28, 2019, the Ninth National Doctoral Academic Forum on Information Science was held at Nanjing Agricultural University. The forum was sponsored by Nanjing Agricultural University, co-sponsored by the Chinese Society of Science and Technology Information and the Chinese Society of Social Sciences and Information, and sponsored by the Graduate School of Nanjing Agricultural University, the Institute of Information Science and Technology and the Research Center for Domain Knowledge Linkages. Library – the development of Information Science in the new era. This forum has been supported by 11 media such as Wuhan University, Nanjing University, Renmin University of China, Peking University and other 65 universities, scientific research institutes and industry enterprises, Library and Information Work, Library and Information Knowledge, and Journal of Information Science. A total of 260 doctoral students, doctoral supervisors and industry representatives of Library and information management disciplines participated in the conference.

Professor Lu Xiaobin, Vice Dean of the School of Information Resources Management, Renmin University of China, Professor Zhou Xiaoying, Assistant Professor Qian Minghui, Assistant Professor Yan Hui, Assistant Dean of the Yangtze River Scholar Award Scheme, Dr. Chen Huanbian, Yue Lixin, Mr. Gai Shuangshuang, Mr. Xu Zhixuan, and Mr. Guo Jialu, the postgraduate students, participated in the PhD program. Forum, make the voice of the people's congress.

Professor Lu Xiaobin presided over the keynote report of the first doctoral forum: Professor Ma Feicheng, Dean of the Institute of Big Data, Wuhan University, User Demand Information Organization in the Big Data Environment, and Xu WHO, Research Fellow of the Institute of Information, Chinese Academy of Agricultural Sciences, Method and Application of Monitoring and Early Warning of Agricultural Products. Professor Yan Hui was invited to give the keynote report of the conference entitled Digital Equity: Precision Measurement of Information and Technology Temperature. Professor Zhou Xiaoying and Associate Professor Qian Minghui served as commentary guests in the "Text Mining and Knowledge Discovery" and "Information Analysis and Decision Support" branches respectively.

Research on the Visualization Method of Subject Recognition and Evolution Path of Core Discipline Research by Dr. Yue Lixin, Professor Zhou Xiaoying and Dr. Chen Huanyuan won the second prize of the Forum. Dr. Chen Huanyuan, Professor Zhou Xiaoying and Dr. Yue Lixin co-wrote Health Informatics Education in the United States. Research on Certification Criteria and Its Development, co-authored by Guo Jialu, a graduate student, and associate professor Qian Minghui, a tutor, won the third prize in the forum. The three papers mentioned above, together with the paper "Research on Enterprise Competitiveness Recognition Based on Text Mining of Online Recruitment Information", written by doctoral student Xu Zhixuan and assistant professor Qian Minghui, were read out in sub-forums as exchange papers and received expert comments. The voice of the NPC received wide attention and praise during the meeting.