Video multicast method and apparatus

Embodiment of the present invention provide a method and apparatus for video multicast. A method comprising: in accordance with the importance of the received multicast packet level of the video data stream, the video stream is multicast data packet into at least two types of data packets; multicast video stream according to the code rate, the rate of each station within a multicast group and the number of sites, each site in the multicast group is divided into at least two groups, and determining a transmission time of the video stream transmitted to each group, and the packet type and transmission rate of the transmission; in the transmission time, corresponding to the transmission transmission rate of data packets corresponding to the type of the multicast group shared channel. Example embodiments of the present invention, the multicast group improves the resource utilization site, improving throughput wireless LAN.