Doctoral students usually refer to full-time doctoral students. The biggest difference between in-service doctoral students and doctoral students is that full-time study is required for full-time study, and the other is that in-service doctoral students study in a semi-full-time state.
Beijing Normal University, founded in 1902 and located in Beijing, is a national key university directly under the Ministry of Education and jointly established by Beijing, and ranks among the "double-class", "985 Project" and "21/Project".