A method for realizing video live broadcast, includes: receiving a request for creating conversation from a user equipment, the request carrying indication information for identifying video live broadcast BTV service packet, the BTV packet includes several channel program with the same authorization attribute and the same accounting attribute; sending BTV service control information corresponding to BTV service packet to a network marginal equipment corresponding to the user equipment UE; creating the conversation between a IPTV server and the user equipment UE according to the request; sending the channel program that the UE need access to the UE according to the BTV service control information. Corresponding equipment and system also are provided. The invention can ensure flexible authorization and accounting capability, meanwhile it also ensure the user can switch channel quickly according to the present invention.