It is very difficult for graduate students majoring in computer science in Northeastern University to get a doctorate. According to the relevant data, the doctoral program of computer science in Northeastern University is Grade B, which belongs to the middle and high level in computer field, so the postgraduate examination of computer science in Northeastern University is more difficult. Northeastern University, located in Shenyang, Liaoning Province, is a national key university directly under the Ministry of Education of People's Republic of China (PRC).