Provided is a lamp system with improved visibility, and more particularly, to a lamp system positioned on a vehicle, the system including: a first lamp module generating a low beam, and outputting the low beam to the outside of the vehicle; a second lamp module generating light of a predetermined symbol, and outputting light to the outside of the vehicle; a sensor unit including at least one of an advanced driver assistance system (ADAS) sensor or an illumination sensor, and outputting external situation information; and a control unit receiving the output of the sensor unit, and controlling brightness of the second lamp module.
