A vehicle-mounted system and a vehicle are disclosed. The vehicle-mounted system includes a vehicle lamp system, the vehicle lamp system includes a direction changing unit or/and a light intensity adjusting unit and a vehicle lamp; the vehicle lamp is arranged on a front side of a vehicle body and configured to emit light; the direction changing unit is arranged on a light emergent side of the vehicle lamp, and configured to change a transmission direction of light that is incident on the direction changing unit and emitted by the vehicle lamp; and the light intensity adjusting unit is configured to adjust intensity of the light emitted by the vehicle lamp.