It is not easy for Xi Jiaotong University to keep a postgraduate degree. Xi Jiaotong University is a 985, 2 1 1 engineering university directly under the Ministry of Education, and a world-class university. It is a C9 member of China Ivy League. As a very high-ranking university in China, the competition for postgraduate places is fierce, and the requirements for students are very high and difficult.

Baoyan refers to a person recommended by an undergraduate school who is admitted as a graduate student through an evaluation form without going through some preliminary procedures such as written examination. , within the allowable range.