Bao Yan (full name: recommending excellent fresh graduates to study for master's degree without taking the test), as its name implies, is a person recommended by an undergraduate school and admitted as a graduate student through an evaluation form without going through some preliminary procedures such as written examination.

Xi Jiaotong University is a key university directly under the Ministry of Education. Its predecessor was Nanyang Public School, which was founded in Shanghai, 1896. 192 1 renamed jiaotong university. 1956 the State Council decided to move jiaotong university to Xi' an. 1959 was named Xi jiaotong university and listed as a national key university.