The embodiment of the invention discloses a method and a device for controlling IPTV live broadcast, and relates to the field of communication. The method and the device are invented in order to solve the problem that a network side cannot determine the live broadcast requested to be watched by a user and further the live broadcast requested by the user cannot be controlled when the user requests the IPTV live broadcast to a network in the prior art. The invention provides a technical scheme that: the method for controlling the IPTV live broadcast comprises the following steps: receiving a live broadcast request message sent by a live broadcasting service initiating device; determining the live broadcast requested to be watched according to watch content indication information carried by the live broadcast request message; and performing watch control on the live broadcast requested to be watched. The technical scheme provided by the embodiment of the invention can be applied to an IPTV system.