A processing method for reducing power consumption, performed by a mobile terminal comprising a sensor, a touch screen, a touch screen coprocessor and a sensor coprocessor, wherein the sensor is connected to the touch screen coprocessor and the sensor coprocessor, characterized in that an operating power consumption of the touch screen coprocessor is lower than an operating power consumption of the sensor coprocessor, and in that the method comprises: controlling the sensor coprocessor to enter a dormant state, in a case that the mobile terminal is in a screen-off state; receiving a trigger instruction transmitted by the touch screen coprocessor, wherein the trigger instruction is transmitted when data collected by the sensor connected to the touch screen coprocessor meets a predetermined trigger condition; and controlling the mobile terminal to perform a function corresponding to the trigger instruction, further characterized in that the method further comprises before the mobile terminal is in the screen-off state, receiving a setting instruction, wherein the setting instruction is used to instruct the mobile terminal to receive, by using the touch screen coprocessor, the data transmitted by the sensor when the mobile terminal is in the screen-off state, wherein the function corresponding to the trigger instruction is a screen-light-up function, and the controlling the mobile terminal to perform the function corresponding to the trigger instruction comprises: controlling the mobile terminal to light up a screen, wherein the method further comprises: after controlling the mobile terminal to light up the screen, controlling the touch screen coprocessor to stop receiving the data transmitted by the sensor, and controlling the touch screen coprocessor to process data of an operation by a user on the touch screen. controlling the sensor coprocessor to enter a dormant state, in a case that the mobile terminal is in a screen-off state; receiving a trigger instruction transmitted by the touch screen coprocessor, wherein the trigger instruction is transmitted when data collected by the sensor connected to the touch screen coprocessor meets a predetermined trigger condition; and controlling the mobile terminal to perform a function corresponding to the trigger instruction, further characterized in that the method further comprises before the mobile terminal is in the screen-off state, receiving a setting instruction, wherein the setting instruction is used to instruct the mobile terminal to receive, by using the touch screen coprocessor, the data transmitted by the sensor when the mobile terminal is in the screen-off state, wherein the function corresponding to the trigger instruction is a screen-light-up function, and the controlling the mobile terminal to perform the function corresponding to the trigger instruction comprises: controlling the mobile terminal to light up a screen, wherein the method further comprises: after controlling the mobile terminal to light up the screen, controlling the touch screen coprocessor to stop receiving the data transmitted by the sensor, and controlling the touch screen coprocessor to process data of an operation by a user on the touch screen. controlling the mobile terminal to light up a screen, wherein the method further comprises: after controlling the mobile terminal to light up the screen, controlling the touch screen coprocessor to stop receiving the data transmitted by the sensor, and controlling the touch screen coprocessor to process data of an operation by a user on the touch screen. <EOS>