Abstract: A method and a system of creating and transmitting multimedia contents are disclosed. The method is implemented in a multimedia content creating and transmitting system which includes a multimedia content producing/management server which can be connected with transmitting and receiving terminals through wired or wireless communication networks. The method comprises receiving a multimedia content constructing instruction through a communication networks, creating content according to the multimedia content constructing instruction, encoding the created content, and providing the encoded content to a receiving terminal through the communication networks. According to the method, various contents that correspond to various types of transmitting and/or receiving terminals can be produced, edited, converted, transmitted, received, and played back.