When you are promoted, you should check the file after you have determined the candidate for promotion. This is called shifting gears. If it is a promoted grass-roots personnel, the cadre management department will inform the grass-roots units to send the files to the cadre department. If the promoted cadres are cadres of their own organs, they can go directly to the archives for reference. The shift mainly understands the natural conditions, work experience, social relations, rewards and punishments of the cadres to be promoted.