-  Teaching Assistant, department of mathematics, Huazhong Normal University, Wuhan, China, 9.2007-1.2009. 
-  Teaching Assistant, the school of mathematics, Beijing Normal University, Beijing, China, 9.2009-1.2010. 
-  Visiting Scholar, department of mathematics, The University of Wisconsin at Milwaukee, USA, 9.2010-9.2011. 
-  Lecturer, department of mathematics, Huazhong Normal University, Wuhan, China, 9.2012-. 
  -  The Harmonic Analysis and Complex Analysis International Conference, 8-10 June 2008, Fujian Normal University, Fuzhou, China. 
-  International Conference on Harmonic Analysis and Partial Differential Equation With Application, 27-30 May 2009, Beijing Normal University, Beijing, China. 
-  International Conference on Harmonic Analysis and Approximation Theory, 20-23 November 2009, Beijing Normal University, Beijing, China. 
-  Analysis and Applications: Stein Conf. May 2011, Princeton University, USA. 
-  International Conference on Harmonic Analysis and Partial Differential Equation, 16-20 May 2012, Nanjing University, Nanjing, China. 
-  International Conference on Harmonic Analysis and its Application. 11-16, Oct. 2012, Zhejiang Normal University, Jinhua, China.