1. A gaming machine player account identification system, comprising: a radio frequency chip including a player account data; and a gaming machine including a register processing unit, a radio frequency accessing element and a display interface; the radio frequency accessing element including an induction zone to receive the radio frequency chip so that the radio frequency accessing element is allowed to get the player account data in a non-contact fashion, the register processing unit checking the correctness of the player account data, the display interface displaying the player account data.