On the afternoon of December 14th, Nankai Economic Research Institute held a bi-weekly academic seminar in the conference room on the 8th floor of the School of Economics. This seminar is one of the centennial celebrations in Nankai, with the theme of Rural Complex Construction and Innovation under the Background of Rural Revitalization Strategic Plan (2018-2022) —— Based on the Investigation of Wuyuan County, Bayannaoer City, Inner Mongolia. The keynote speaker is Associate Professor Qin Haiying, scholar of the Center, and the main reviewers are Associate Professor Bo Wenguang and Associate Professor Zhang Haipeng. Teachers and graduate students from the School of Economics attended the seminar.