Zhiyong Zheng is Professor and Dean of School of Mathematics, Renmin University. His research and academic experiences include in 1995, Princeton University, as Visiting Scholar; in 1988-1991,Shandong University, Ph.D. He received Distinguished Paper Award (ICCM 2018), Qiu Shi Outstanding Young Scholar Award (1997) and The National Science Fund for Distinguished Young Scholars (1996). He was Dean of School of Mathematics, Renmin University of China. His research area includes Diophantine approximation, character sum and cryptography