One preview data, offer system is used to provide multimedia preview data for a user and its method, smoothly to the user setting from the product with RFID (Radio Frequency IDentification) label at offer multimedia preview data, when reducing the overload of a server or network. When preview data request is received, a product, with RFID labels (104), transmission RFID mark informations include preview data to a mobile terminal (100). When preview data and coding mode are received from mobile terminal, server (102) converts a coding mode of preview data, returns to the preview data mobile terminal of conversion. Mobile terminal is by receiving extraction preview data in RFID mark informations from product and determining whether that preview data can be decoded. When preview data is not decoded, mobile terminal provides the preview data and multi-medium data decoding information of the available multimedia Data Coding Scheme for server.
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