Campus card entrance. The Emerald Lake Library of Hegong University now requires a strict campus card to enter. Hefei University of Technology Emerald Lake Campus Library has editorial department, circulation department, reading department, consulting department, information system department and library office, as well as literature retrieval teaching and research section. The library pays attention to humanization and modern design concept, and is one of the largest university libraries in East China. Courses such as literature retrieval and utilization, information science and intellectual property rights are offered to all students.