The invention provides light-control sunglasses special for a driver. The light-control sunglasses comprise a main rack, a light-control switch, an electromagnet, a limiting button, a micro-switch, a battery, a lens clamp and lens supporting pieces. The sunglasses are characterized in that glasses legs are arranged at the two sides of the main rack, a groove is formed in the front of the main rack, the light-control switch is arranged in the front of the main rack, the electromagnet and the micro-switch are installed in the main rack, the battery is fixed to one glasses leg, the lens clamp is installed in a lens clamp hole, a support is arranged in the middle of the lens clamp, a spring limiting block is arranged in the support, lenses are fixed to the lens clamp, the lower end of the spring is fixed to the lower end of the groove, and the upper end of the spring is arranged outside the spring limiting block in a circling mode. When being not influenced or restrained by external force, the lens clamp can rotate in the lens clamp hole; when being not restrained, the spring jacks the lens clamp upwards until the lens clamp is turned over upwards to touch the micro-switch. The situation that when the driver enters a tunnel with the sunglasses, as light gets dark suddenly, the driver can not observe conditions, and traffic accidents are caused can be effectively avoided.