985: It is extremely difficult for Tsinghua, Shanghai Jiaotong University, Huazhong University of Science and Technology and Zhejiang University to take the postgraduate entrance examination, and the specialized courses are extremely difficult. The proportion of re-examination is high and the score is low. Actually, it's very difficult. Students mainly come from 985/2 1 1, so it is not recommended for ordinary undergraduate students to take the exam.

The second echelon:

985: Xi Jiaotong University, Harbin Institute of Technology, Beijing Institute of Technology, South China University of Technology, Beijing University of Aeronautics and Astronautics, Hunan University, Tongji University, Tianjin University, Jilin University, it is difficult to take the postgraduate entrance examination, and the number of students is moderate. Some colleges and universities have a large number of students, such as mechanical subjects, and the proportion of re-examination is large. The high score of the initial test is not necessarily stable, and the students mainly come from 985/2 1658.

The third echelon:

985: Chongqing University, Central South University, Northwestern Polytechnical University, Northeastern University, Shandong University, Sichuan University.

2 1 1: Wuhan university of technology, Nanjing university of aeronautics and astronautics, Beijing jiaotong university and southwest jiaotong university have higher difficulty in postgraduate entrance examination, moderate difficulty in specialized courses, no pressure or discrimination, strong mechanical discipline, high initial test and fierce competition, with 2 1 1 or double non-candidates.

The fourth echelon:

985: China Agricultural University, University of Electronic Science and Technology of China, Xiamen University, China Ocean University, Sun Yat-sen University.

2 1 1: University of Science and Technology Beijing, Chang 'an University, Hebei University of Technology, Donghua University, China University of Mining and Technology, xidian university, beijing university of chemical technology, East China University of Science and Technology. Taiyuan University of Technology, North China Electric Power University, Hohai University, Zhengzhou University, Harbin Engineering University, Nanchang University, China Geo University, China Geo University (Beijing) and China University of Mining and Technology (Beijing Shuangfei: Zhejiang University of Technology, Yanshan University, Guangdong University of Technology, Shanghai University of Science and Technology, Jiangsu University) are moderately difficult to take the postgraduate entrance examination, and most of them are located in economically developed regions and provinces.