A first electronic device includes a first sub-function and a second sub-function. The sub function, and the first sub-function is different from the second sub-function. The first electronic device detects a first operation of a user. The first electronic device displays a first interface in response to the first operation, where the first interface includes a name of the first sub-function, a device identifier of a second electronic device, a name of the second sub-function, and a device identifier of a third electronic device. The first electronic device detects a second operation of the user on the device identifier of the second electronic device. The first electronic device sends data corresponding to the first sub-function to the second electronic device, so that the second electronic device executes the first sub-function.