9. A portable electronic terminal comprising: one or more processors; memory storing one or more programs configured for execution by the one or more processors, wherein the one or more programs comprises Instructions for: receiving a voice signal including a wakeup command and a voice command subsequent to the wakeup command from a user, where there is a duration of silence between the wakeup command and the voice command; recognizing the wakeup command while a touch screen of the portable electronic terminal is locked; in response to recognizing the wakeup command unlocking the touch screen; transmitting a signal including the voice command of the voice signal to a server for conducting speech recognition on the voice command and obtaining a recognized voice command at the server; receiving a control signal corresponding to the recognized voice command from the server; and performing an operation in response to the control signal.
9. A portable electronic terminal comprising: one or more processors; memory storing one or more programs configured for execution by the one or more processors, wherein the one or more programs comprises Instructions for: receiving a voice signal including a wakeup command and a voice command subsequent to the wakeup command from a user, where there is a duration of silence between the wakeup command and the voice command; recognizing the wakeup command while a touch screen of the portable electronic terminal is locked; in response to recognizing the wakeup command unlocking the touch screen; transmitting a signal including the voice command of the voice signal to a server for conducting speech recognition on the voice command and obtaining a recognized voice command at the server; receiving a control signal corresponding to the recognized voice command from the server; and performing an operation in response to the control signal. 11. The portable electronic terminal of claim 9 , wherein performing the operation comprises displaying data related to the voice command.