East China Jiaotong University is a well-known high-level university with fierce competition for postgraduate entrance examination. According to the official data of East China Jiaotong University, the number of graduate students applying for this school is increasing year by year, but the number of admission places is relatively limited. Moreover, East China Jiaotong University has a high academic reputation in transportation, civil engineering, electronic information and other fields, attracting many excellent candidates to compete. Therefore, it is very difficult for East China Jiaotong University to take the postgraduate entrance examination.