The closed training class for postgraduate entrance examination will also arrange rest time, which can be used to relax and play mobile phones. However, it is recommended not to play mobile phones for too long, which is easy to delay review.

The closed training class for postgraduate entrance examination is to arrange students in a certain area, which is generally a remedial class for postgraduate entrance examination in schools. It is an extracurricular tutoring institution with the purpose of improving the scores of students preparing for the postgraduate entrance examination. The closed training class for postgraduate entrance examination will provide students with areas for accommodation, eating, study and exercise, and will also arrange students to attend classes in a unified way, and generally there will be rest time.