Read-write device applied to rail transit fare collection

The invention discloses a read-write device applied to rail transit fare collection, which comprises a main control module, the main control module is connected with a network communication module, a clock module, a national secret security module, a storage module and a radio frequency processing module, and the main control module is used for calling and processing various data; the network communication module is used for realizing network access; the clock module is provided with an onboard battery and is used for continuously supplying power to the system clock after the external power supply is powered off so as to ensure that the system clock is correct and effective; the national secret security module is used for encrypting and decrypting data; the storage module is used for storing related data; the radio frequency processing module is used for ticket card processing and identity card identification so as to complete various transactions. The system has the advantages that data can be encrypted to e