Method for tranmiting media content in multimedia system

It discloses a media content transmission method and apparatus in a multimedia system. The method includes one or more one sub based on the data unit is divided into data units or processes and, wherein each multimedia data packet to generate more multimedia data packet comprises a packet header and a payload, the one or comprising the step of transmitting more multimedia data packets, wherein the payload data contained in the payload is one wherein, contains data of the meta data or sub-data unit of the data unit or more multimedia data packets each of the payload data includes the type information indicating that includes metadata of the data unit, or indicating that the payload data includes the data of the sub-data units, the metadata of the data unit data is the data And a file type information about the unit.