Rail transit diversified payment fusion method, system, equipment and medium

The invention discloses a rail transit diversified payment fusion method, system and device and a medium, and the method comprises the steps: receiving an authentication binding instruction, binding a plurality of payment accounts of a target user, and synchronizing all account information to each payment platform system at regular time; receiving and storing the transaction information fed back by each payment platform system in real time, and performing integrity judgment on the transaction information corresponding to the target user in the target payment platform system; if it is judged that the transaction information of the target payment platform system is incomplete, searching out an inbound transaction record corresponding to the target user from the transaction information of other payment platform systems to update the travel information; and the updated travel information is distributed to the target payment platform system for fee deduction processing, so that payment information fusion among the