Does the subject want to ask "how many hours is the annual retraining time for special operations personnel"? Not less than 24 hours. Special operations personnel shall participate in the annual safety education and training organized by the employing unit or the continuing education organized by other professional institutions entrusted by the employing unit, and the annual training time shall be no less than 24 hours, and they shall be in good health. The former Ministry of Labor designated underground, high altitude, high temperature, heavy physical labor and toxic and harmful operations as special operations, and made it clear that the scope of special operations was determined by the competent departments of various industries or labor departments.