On July 5, the "Jida International Workshop on quantitative economy", organized by the Center for quantitative Economic Research of Jilin University, was successfully held in Conference Room A604 of Dongrong Mansion. Feng Yang, an associate professor at Columbia University in the United States, gave a wonderful lecture on the theme "Statistical Analysis of Network data: methods and models". The workshop was presided by Professor Deng Chuang, Deputy Director of the Center.