National defense students refer to reserve officers who are recruited by the army from fresh high school graduates (including those who meet the requirements of walking) and selected and trained from college students according to the needs of army building.

"National defense class" is a training mode combining schools with the army, which highlights national defense characteristics, implements strict militarized management, trains outstanding talents with military temperament, becomes an incubation base for national defense reserve forces, and makes national defense forces develop continuously.