Provided is a system for providing a silent advertisement that includes a multimedia message server for generating a multimedia message containing at least one piece of silent advertisement data and transmitting the multimedia message to an arbitrary mobile terminal, and the mobile terminal for receiving the multimedia message, detecting and storing the silent advertisement data contained in the multimedia message without notifying a user, and if a current operational state of the mobile terminal corresponds to a pre-set silent advertisement output condition, outputting the silent advertisement data. Accordingly, provided is a method, apparatus, and system for silently transmitting advertisement data to a mobile terminal of a user even if the user does not request to receive advertisements in advance, which are used by a communication provider to modify advertisement data stored in advance in the mobile terminal of the user in response to a request of a sponsor.