With the wide application of modern high technology in the field of physical education and training, to design a new system for the ensurance of the fairness of orienteering competitions, we developed the Fingerprint Electronic Timing System and Registering System and used them in orienteering competitions. The technical keys include the four points of fast extracting fingerprints, an invulnerable athlete registering system, large-capacity fingercards and a fast on-the-spot matching system. Thus a false-name entering during registrating process or in the course of the race can be avoided to en...