Official website of Henan University shows that the enrollment ratio of civil engineering postgraduate entrance examination in Hohai University for 22 years is 694 178. The difficulty of postgraduate courses varies from institution to institution. For example, the civil engineering of Henan University is very difficult, which leads to low scores in specialized courses, and at the same time, because of the large number of exams, the scores are also low. Choosing an institution should not only look at the scores, but also consider the examination subjects and the number of students admitted.