Method and system for realizing IPTV bullet screens

The invention discloses a method and system for realizing IPTV bullet screens and relates to the field of internet technology. According to the invention, an instant messaging platform determines an instant communication account of a bullet screen message receiver after receiving an instant message submitted by an instant messaging client terminal for sending a bullet screen message, and then sends a bullet screen message play request to an interaction television platform, wherein the play request includes the bullet screen message and the instant messaging account of the bullet screen messagereceiver. The interaction television platform converts the instant messaging account of the bullet screen message receiver to a pre-bound IPTV account and utilizes the IPTV account to send the bulletscreen message to a corresponding STB (Set Top Box), so that the STB displays the bullet screen message. According to the invention, by utilizing the openness of the interaction television platform,bullet screen messages on t