VEHICLE LAMP AND CONTROL METHOD THEREOF

A vehicle lamp includes: a low beam unit including a first light emitting unit and irradiating light only to region below a cutoff line; a high beam unit including a second light emitting unit and irradiating light to regions around and above the cutoff line; and a lighting controller that controls lighting of the low beam unit and the high beam unit. The lighting controller controls to switch between a low mode in which the low beam unit is turned ON and the high beam unit is turned OFF and a high mode in which the low beam unit and the high beam unit are turned ON, and a first light quantity irradiated by the low beam unit in the high mode is larger than a second light quantity irradiated by the low beam unit in the low mode.