A flap slat control lever , comprising: a first displacement sensor configured to detect a displacement of a pull rod of the flap slat control lever and generate a first displacement detection signal; a second displacement sensor configured to detect the displacement of the pull rod of the flap slat control lever and generate a second displacement detection signal; a first control command module (CCM1) configured to receive the first displacement detection signal from the first displacement sensor; and a second control command module (CCM2) configured to receive the second displacement detection signal from the second displacement sensor, characterized in that : the first control command module is configured in a standby state in which the first control command module is configured to send the first displacement detection signal to the second control command module, and the second control command module is configured in a working state in which the second control command module is configured to compare the first displacement detection signal with the second displacement detection signal, and if a difference between the first displacement detection signal and the second displacement detection signal is within an error tolerance, the second control command module is configured to send the first displacement detection signal or the second displacement detection signal to a slat-flap control computer as a control signal to control operation of flaps and slats. a first displacement sensor configured to detect a displacement of a pull rod of the flap slat control lever and generate a first displacement detection signal; a second displacement sensor configured to detect the displacement of the pull rod of the flap slat control lever and generate a second displacement detection signal; a first control command module (CCM1) configured to receive the first displacement detection signal from the first displacement sensor; and a second control command module (CCM2) configured to receive the second displacement detection signal from the second displacement sensor, characterized in that : the first control command module is configured in a standby state in which the first control command module is configured to send the first displacement detection signal to the second control command module, and the second control command module is configured in a working state in which the second control command module is configured to compare the first displacement detection signal with the second displacement detection signal, and if a difference between the first displacement detection signal and the second displacement detection signal is within an error tolerance, the second control command module is configured to send the first displacement detection signal or the second displacement detection signal to a slat-flap control computer as a control signal to control operation of flaps and slats. the first control command module is configured in a standby state in which the first control command module is configured to send the first displacement detection signal to the second control command module, and the second control command module is configured in a working state in which the second control command module is configured to compare the first displacement detection signal with the second displacement detection signal, and if a difference between the first displacement detection signal and the second displacement detection signal is within an error tolerance, the second control command module is configured to send the first displacement detection signal or the second displacement detection signal to a slat-flap control computer as a control signal to control operation of flaps and slats. <EOS>