The invention provides a method for multi-screen interaction through a social network. The method comprises the following steps: multi-screen interactive multimedia content information is published through the social network, the published information contains a URL (Uniform Resource Locator) pointing to a special server, and the URL is accessed by a user after the user logs in the social network via a mobile terminal to receive the information; the server stores the multimedia content URL corresponding to the URL and stores the IP address of a player terminal which needs to play the multi-screen interactive multimedia content and is correlative with the social network account of the user; and when the user accesses the URL via the mobile terminal, the player terminal is triggered to play the multimedia content under the multimedia content URL corresponding to the URL. The user logs in the social network and receives the information to share multi-screen interaction, so that the use of multi-screen interaction is greatly simplified.