A smart module card and using method thereof are provided. The smart module card can be implemented in a peripheral platform having a transmitting port. The smart module includes a connecting port and a processing unit electrically connected thereto. The connecting port corresponds to the transmitting port, and the processing unit includes a plurality of functional chips. When the connecting port is electrically connected to the transmitting port, the processing unit receives an identification data provided by the peripheral platform to determine a plurality of predetermined operating functions required by the peripheral platform to be enabled, and the processing unit executes some of the functional chips to correspondingly enable the predetermined operating functions.