A proximity sensor switch-controlled meter and lamp switch system installed in a motor vehicle that can be a motorcycle or car is disclosed to include a meter having a micro-controller unit (MCU) and an electronic display device, a lamp switch unit installed in one handlebar (or the motorcycle) or steering wheel (of the car), and proximity sensor switches respectively mounted in the meter and the lamp switch unit for controlling the micro-controller unit (MCU) to control the display mode of an electronic display device of the meter or to switch on/off the headlamp or left/right turn signal light of the motor vehicle when the motorcycle rider or car driver touches the meter or the lamp switch unit with a finger.