The trade payment method includes: setting mark module corresponding to the user account number and mark module information acquiring identifying equipment in advance; obtaining the mark module information with the identifying equipment and sending the mark module information to the service terminal, and transmitting the trade information including at least mark module related information and service provider related information with the service terminal to the bank trade dealing system during dealing with trade; and transferring account in the bank trade dealing system. The present invention makes it possible for the user to consume by only carrying easy-to-carry mark module and makes it possible for several users to use the same bank account number simultaneously via copying the mark module. |