Party secretary. The positions of Party Secretary and President of Xi Jiaotong University are vice ministerial level. However, according to Article 3 of the Regulations on Grass-roots Organizations of China Production Party Colleges and Universities, colleges and universities implement the principal responsibility system under the leadership of the Party Committee, and the Party Committee of colleges and universities comprehensively leads the school work. In other words, although colleges and universities are responsible to the president, they must work under the leadership of the party secretary, so the party secretary of Xi Jiaotong University is big. Party secretary is the abbreviation of party secretary at all levels and the main person in charge of party committees at all levels.