Conference data transmission method and conference system

The invention provides a conference data transmission method and a conference system, and in the conference system, a user control platform controls the number of first clients and the number of second clients according to pre-stored user permissions so as to control the network bandwidth occupied by conference data transmission. The media cloud server sends the conference data to the first clients and the target CDN, the first clients can directly display the received conference data, and the second clients can obtain the conference data from the target CDN, so that the second clients can listen to the conference data. Meanwhile, the mode that the second client obtains the conference data does not occupy bandwidth resources of a communication network between the first client and the media cloud server, so that more second clients can be supported to perform conference auditing, and the effect that thousands of persons participate in the conference is achieved. 本申请提供了一种会议数据传输方法及会议系统，在会议系统中，用户控制平台根据预存的用户权限来管控第