1 Beijing University of Posts and Telecommunications A+
2 xidian university A+
3 Tsinghua University A+
4 University of Electronic Science and Technology of China A+
5 Southeast University A+
6 Shanghai Jiaotong University A+
7 China University of Science and Technology
8 Beijing Jiaotong University a
9 Peking University a
10 Zhejiang university a
1 1 Harbin institute of technology a
12 Beijing institute of technology a
13 south China university of technology a
14 Huazhong university of science and technology a
15 Beihang University
16 Xi An Jiaotong University A
17 Wuhan university a
18 southwest jiaotong university a
19 Harbin engineering university a
20 Northwestern Polytechnical University a
2 1 nanjing university of aeronautics and astronautics a
22 Nanjing University of Posts and Telecommunications a
23 northeastern university a
24 Tianjin university a
Related postgraduate majors include library science, information science, archives science and master of library and information science.
The better universities in this field are Peking University, People's Congress, Nanjing University, Wuhan University, Jilin University and Nanjing Institute of Politics.
If you want to cross-major, it depends on your personal hobbies. It is best to choose a liberal arts major.