At 4 pm on May 31, 2018, at the invitation of Professor Li Guo, the head of the Department of Technical Economics and Strategic Management, Professor Yin Yunqiang from the University of Electronic Science and Technology of China gave a report entitled "An overview of home health care routing and scheduling" in Room 317 of the main building.

　　Yin Yunqiang is a professor at the School of Economics and Management of the University of Electronic Science and Technology. He was selected by Elsevier for four consecutive years (2014-2017) the Most Cited Chinese Scholars. His research interests are focused on production and logistics operations management, and medical operations management. This report focused on the Family Health Care Route Scheduling Optimization (HHCRSP), a field that has received much attention in recent years. First of all, Mr. Yin introduced the background of this study and pointed out the current research situation in this field. Then, through a lot of literature analysis, Yin introduced the research framework structure (strategic layer, tactical layer, operational layer) in this field, studied the solutions under different constraints and objective functions, and discussed future research direction. Finally, Teacher Yin answered questions from classmates and teachers. Everyone said that they had benefited a lot and were deeply inspired.