5. The method according to claim 4 , wherein the first function is selected from the group consisting of powering off the electronic device, rebooting the electronic device, locking the electronic device, and controlling the electronic device to enter a sleep state.
5. The method according to claim 4 , wherein the first function is selected from the group consisting of powering off the electronic device, rebooting the electronic device, locking the electronic device, and controlling the electronic device to enter a sleep state. 6. The method according to claim 5 , further comprising: converting the voice data to text information to obtain converted text information using a voice recognizing technology; determining a node of the central control tree corresponding to the converted text information by comparing the converted text information with text information of each node of the central control tree; and triggering a function corresponding to the determined node.