1. An apparatus for implementing a macro ) using a SAT (SIM Application Toolkit), the apparatus comprising: an ME (Mobile Equipment) for providing a menu for a macro edition, and displaying an edition function corresponding to the macro edition menu on a display unit to enable the user to edit a macro if the macro edition menu is selected by a user; and a SIM (Subscriber Identity Module) for receiving information input from the user with respect to at least one edit function being displayed on the display unit, constructing the input information as respective commands, and storing the commands in a corresponding macro; wherein the ME successively reads the commands that constitute a corresponding macro stored in the SIM and performs a series of operations according to the commands, if a macro execution instruction is input by the user.