2 1 1 Normal universities, such as Nanjing Normal University, Huazhong Normal University and Northeast Normal University.

The schools that allow cross-examination of subject mathematics are recommended as follows: 2 1 1 normal universities, such as Nanjing Normal University, Huazhong Normal University and Northeast Normal University, followed by Beijing Normal University and East China Normal University, all of which are key universities. Choosing a school needs to be based on one's own preparation, considering factors such as region and school level, and needs one's own choice and comprehensive judgment.