Real-time communication system, method and related device

The invention discloses a real-time communication system, method and a related device, which are used for solving the problem that the use experience of the user in the communication course is poor, wherein, the system comprises a media processing server, a first real-time communication client and a second real-time communication client, wherein, the media processing server is used for finding the corresponding mark in the stored mark of the media data which is ordered by the user for friend and in the corresponding relation of friend information according to friend information when the user communicates with the friend in real-time way, and the found mark is sent to the first real-time communication client used by the user; the first real-time communication client is used for finding the corresponding media data at local for displaying according to the mark sent by the media processing server, and sends the found media data to the second real-time communication client used by the friend of the user in a real-time way; the second real-time communication client is used for receiving the media data sent by the first real-time communication client for displaying in a real-time way.