3 1 1 is the examination code for postgraduate education. 3 1 1 education integration, one is to master pedagogy, and the other is to be admitted to colleges and universities. 3 1 1 There are many colleges and universities, such as Beijing University of Technology, Beijing Foreign Studies University, Minzu University of China, Beijing University of Aeronautics and Astronautics, China Renmin University, Tianjin Normal University, Tianjin Vocational and Technical Normal University, Tianjin University and Tianjin Institute of Physical Education. And you can apply according to your own needs.