First, military institutions of higher learning represented by National University of Defense Technology, Air Force Medical University, Army Medical University and Naval Medical University.

Because his talent training in military academies is a form of directional training, it not only trains talents for local economic and social development, but also trains talents for military development.

Therefore, many times, these military academies will not recruit repeat students, because the age of repeat students is generally older and the training period of military academies is longer.

Secondly, there are some colleges and universities that recruit art students and physical education students in advance, and some colleges and universities that recruit free normal students and medical students.

Generally speaking, they don't recruit repeat students, because these free medical students and normal students will have six years of grassroots service in the future.

You must serve at the grassroots level for more than 6 years before you can transfer to other jobs. So pay special attention to the age requirement. If you are too old, that is to say, if you are a repeat student, then the length of service may be longer, so many students can't stay at this time.

Therefore, after comprehensively considering the age of students, some schools will still relax, but in the final analysis, it depends on the age of students at that time.

In short, in most cases, most colleges and universities will not restrict whether they are repeat students. Only a few military academies and some schools that recruit free normal students, medical students and batch art students in advance will restrict the recruitment of repeat students.