Provided are an apparatus and method for controlling a flash memory, more particularly, an apparatus and method for controlling flash memory that updates control information of a flash memory stored in a predetermined volatile memory when the type of flash memory is changed and controls the changed flash memory using the updated control information. The apparatus includes a flash memory storing its own control information, a first memory storing a programming code for controlling the flash memory, a control unit generating a control code for controlling the flash memory by assigning the control information to the programming code, and a transceiver transmitting the control code.