In some possible implementation solutions, the portable electronic device 200 may further receive a user operation to determine whether the playback control card supports a playback resume function, for example, a playback resume function setting interface 663 shown in
In some possible implementation solutions, the intelligent multimedia playback device 250 can support a playback resume function only when a playback control card is generated. In some possible implementation solutions, the intelligent multimedia playback device 250 can also support the playback resume function without displaying the playback control card, for example, implement the playback resume function through a voice input. For example, after receiving a user voice “Hey Celia, continue playing ‘Stepping Bravely’ on the television on the mobile phone”, the portable electronic device 200 may resume playing, on the portable electronic device 200, video content played on the television.