From June 2006199/KLOC-0 to July 2006, Dr. Fang Xiaoyang worked in the Department of Science and Technology History and Archaeology of China University of Science and Technology, and was transferred to the Department of Science and Technology History and Archaeology of the Graduate School of China Academy of Sciences in July 2006. Now more than 20 doctoral students and master students have been instructed. Visiting Professor, School of Printing and Packaging Engineering, Beijing Institute of Printing.