To become a member of RAID, candidates must have more than five years' police work experience, be over 25 years old and have excellent work performance, but there is no upper age limit, so there are still policemen over 50 years old in RAID at present. The selection of RAID players mainly examines physical fitness (swimming, running, fitness) and fighting (judo, boxing, etc.). ), climbing, shooting, tactics, coordination ability. In addition, RAID comprehensively evaluates projects more than once a year, and those that fail to meet the standards will be eliminated. Usually, the time ratio of task execution and training is 60% to 40%, sometimes reaching 80% to 20%, which shows that RAID players have heavy tasks.