A mobile payment method is to be implemented by a transaction device, and includes: receiving payment information, transmitting the payment information to a payment institution server, providing the payment information to a payment device, and receiving a payment result. The payment device is enabled to generate a payment request when the payment institution server determines that the payment information received from the payment device conforms to the payment information received from the transaction device, and to transmit the payment request to the payment institution server for subsequent processing of the payment according to the payment information included in the payment request.