Second, it is difficult to take the postgraduate entrance examination. According to the query of PubMed.com, there are many people who take the postgraduate entrance examination in Harbin Institute of Technology, but the number of students admitted is limited. Harbin engineering postgraduate entrance examination is divided into initial examination and second examination, with high second examination score, so it is not easy to pass the exam. Harbin Engineering University belongs to 2 1 1, and there is a gap between the scores of two undergraduate courses and one. Therefore, it is still very difficult to pass the postgraduate entrance examination of Harbin Engineering University.