In some possible implementation solutions, the mobile phone 407 may fail to resume playback, for example, a video source is lost, a video parsing error occurs, or the mobile phone 407 does not have permission to open a video playback application. To indicate, to the user on the mobile phone 407, that playback resuming fails, a solution similar to that shown in
According to the method for resuming playing multimedia content between devices provided in embodiments of this application, playback information of the intelligent multimedia playback device 250 within a specific time period is reserved on the portable electronic device 200, so that the user can resume playing the multimedia content within a specific time period after a WLAN is disconnected for the last time/the intelligent multimedia playback device 250 exits a playing state/the intelligent multimedia playback device 250 is powered off, or the like. For example, the user can resume playing “Stepping Bravely” on the mobile phone 407 within a period of time after the user turns off the smart television 111 and then leaves home (the WLAN is disconnected). Descriptions are provided below by using an example in which the user continues to watch, on the mobile phone 407 after leaving home, a video last played on the smart television 111.