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.
7. The method according to claim 6 , further comprising: when the determined node is a father node of the central control tree, obtaining a determined father node and running an application corresponding to the determined father node; and broadcasting text information corresponding to each of child nodes of the determined father node.