The Fourth National BIM Academic Conference was jointly held by BIM Specialty Committee of China Graphic Society, the China Railway BIM Alliance and the China Railway Group Limited, and organized by the China Railway Fourth Bureau Co., Ltd., from November 24th to 25th, 2018, in Hefei, the capital city of Anhui Province. Chunfang Lu, academician of Chinese academy of engineering and chairman of China Railway Society attended the conference. Liming Sheng, vice chairman of China Railway BIM Alliance, Professor Jiaheng Gan, project director of the Comprehensive Facilities Engineering Center of Stanford University, Dong Zou, CPC committee secretary of the Construction Department of Guangzhou Metro and Jun Wu, deputy general manager of the China Railway Fourth Bureau Co., Ltd. were invited to give keynote presentations. Over 500 people from multiple national provinces and cities, including teachers and students, as well as leaders, chief engineers, and BIM technicians from construction companies attended the conference. Xingyi Yu, the minister of the technology and informationization department of China Railway Group Limited, and me as the general secretary of the BIM Specialty Committee, hosted the keynote speeches in the morning.