According to the online inquiry of China Education, the national unified entrance examination for postgraduate entrance examination is a nationwide mock entrance examination, which aims to help candidates test their knowledge and skills before the exam and improve the passing rate of postgraduate entrance examination. Although the national college entrance examination is not the official examination for postgraduate entrance examination, its purpose and significance are positive, which can provide some guidance and reference for candidates to prepare for the exam. First of all, the national college entrance examination can simulate the examination process and questions of postgraduate entrance examination, make candidates familiar with the examination form and difficulty in advance, and help candidates to cope more calmly in the real examination. Secondly, by taking part in the national college entrance examination, candidates can understand their own loopholes and shortcomings in the preparation process, adjust the review plan and direction in time, and improve the preparation efficiency.

In addition, the national college entrance examination can also provide candidates with some postgraduate skills and experience, such as how to arrange time reasonably and how to deal with difficult problems. These experiences and skills are very helpful to candidates in real exams.