The invention relates to a method for communicating multimedia data between electronic devices by means of IR ray, which comprises the steps of converting data to be transmitted into a document by a document processing program installed in an electronic device for transmission, appending a filename extension thereto for classifying the document, transmitting the document through an IR transceiving control signal by an IR transceiver of the said electronic device, receiving the control signal as an indicative of the transmitted document by another electronic device for receiving, and identifying and processing the received document based on the filename extension thereof so as to create an identifiable data.