According to the data released by the Ministry of Education, the computer entrance examination of Southeast University is as difficult as the admission of University of Electronic Science and Technology of China. Both schools have high popularity and excellent teachers in the computer field, and the enrollment requirements are also very strict. The competition for computer postgraduate entrance examination in Southeast University is fierce, and it can be seen from the number of applicants and the admission ratio every year that the admission of computer major in University of Electronic Science and Technology of China is also quite difficult. Therefore, it is very difficult for both the computer postgraduate entrance examination of Southeast University and the postgraduate entrance examination of University of Electronic Science and Technology of China.