A method for switching off communication screen to avoid false triggering based on a mobile terminal, comprising the steps of: configuring a plurality of communication gesture modes, which are operated by a plurality of gestures, in the mobile terminal in advance wherein a plurality of gesture operation instructions are configured as one-to-one correspondence with the communication gesture modes; detecting whether the mobile terminal enters a communication mode; controlling a touch-screen to enter a touchable normal mode when the mobile terminal does not enter the communication mode; detecting whether a touch operation is performed on the touch screen of the mobile terminal during a predetermined interval when the mobile terminal is detected to be in the communication mode; controlling the mobile terminal to switch off a display of the mobile terminal and enter a communication gesture mode if there is no touch operation in the mobile terminal during the predetermined interval; and acquiring a gesture operation instruction of a user and controlling the mobile terminal to perform a plurality of corresponding operations based on a preconfigured gesture operation instruction when the mobile terminal enters the communication gesture mode; wherein the step of detecting whether the touch operation is performed on the touch screen of the mobile terminal during the predetermined interval is performed before the display is switched off, wherein the preconfigured gesture operation instruction comprises: a gesture for swiping right to correspondingly control operation of a short message interface popup of the mobile terminal; a gesture for swiping left to correspondingly control operation of a communication list interface popup of the mobile terminal; a gesture for swiping up to correspondingly control an interface popup of dialing operation of the mobile terminal; and a gesture for swiping down to correspondingly control an interface popup of hanging up a phone call of the mobile terminal, wherein when the gesture for swiping right, the gesture for swiping left, the gesture for swiping up, and the gesture for swiping down are performed, the touch-screen displays a black screen. configuring a plurality of communication gesture modes, which are operated by a plurality of gestures, in the mobile terminal in advance wherein a plurality of gesture operation instructions are configured as one-to-one correspondence with the communication gesture modes; detecting whether the mobile terminal enters a communication mode; controlling a touch-screen to enter a touchable normal mode when the mobile terminal does not enter the communication mode; detecting whether a touch operation is performed on the touch screen of the mobile terminal during a predetermined interval when the mobile terminal is detected to be in the communication mode; controlling the mobile terminal to switch off a display of the mobile terminal and enter a communication gesture mode if there is no touch operation in the mobile terminal during the predetermined interval; and acquiring a gesture operation instruction of a user and controlling the mobile terminal to perform a plurality of corresponding operations based on a preconfigured gesture operation instruction when the mobile terminal enters the communication gesture mode; wherein the step of detecting whether the touch operation is performed on the touch screen of the mobile terminal during the predetermined interval is performed before the display is switched off, wherein the preconfigured gesture operation instruction comprises: a gesture for swiping right to correspondingly control operation of a short message interface popup of the mobile terminal; a gesture for swiping left to correspondingly control operation of a communication list interface popup of the mobile terminal; a gesture for swiping up to correspondingly control an interface popup of dialing operation of the mobile terminal; and a gesture for swiping down to correspondingly control an interface popup of hanging up a phone call of the mobile terminal, wherein when the gesture for swiping right, the gesture for swiping left, the gesture for swiping up, and the gesture for swiping down are performed, the touch-screen displays a black screen. a gesture for swiping right to correspondingly control operation of a short message interface popup of the mobile terminal; a gesture for swiping left to correspondingly control operation of a communication list interface popup of the mobile terminal; a gesture for swiping up to correspondingly control an interface popup of dialing operation of the mobile terminal; and a gesture for swiping down to correspondingly control an interface popup of hanging up a phone call of the mobile terminal, wherein when the gesture for swiping right, the gesture for swiping left, the gesture for swiping up, and the gesture for swiping down are performed, the touch-screen displays a black screen.