Before the middle school entrance examination, the invigilator will be trained, telling how to invigilate correctly, telling the examination process and matters needing attention, usually for about three days.

Proofreading is a serious job. The invigilator needs to do a good job in the supervision and inspection of the examination room with a high sense of responsibility, maintain the discipline of the examination room, care for the students and ensure the smooth progress of the examination.