Railway fusion local card ticket checking method, system and device and medium

The invention discloses a railway fusion pairing ticket checking method, which comprises the following steps that: a railway gate acquires identification information when a local card passes swiping, the local card identification information is verified through a local card system, and if the verification succeeds, a railway ticket selling and checking system is entered to carry out abnormal record query, ticket price calculation, seat application and temporary ticket checking stub recording; a formal ticket checking stub is generated after the gate opens the door and enters the station; based on a formal ticket checking stub, associating a railway seat library in real time, completing distribution, control and reuse of seats associated with local cards in real time, and realizing real-time sharing of the seats; according to the official ticket checking stub of the local card, the railway ticket selling and checking system executes entrance ticket price pre-deduction and deducts fee according to the actual ri