<p>A method for controlling multimedia based on RTSP is disclosed. The method comprises the steps of: a) confirming a state of a multimedia terminal when a user of the multimedia terminal selects a multimedia play; b) generating a PLAY message of requesting selected media data based on the result of step a) and transmitting the PLAY message to a media server through a wireless data communication network; c) determining whether the state of the multimedia terminal is varied after step b); and generating a control message corresponding to the varied state when the state of the multimedia terminal is varied and transmitting the control message to the server.</p>