An air conditioner comprising: a blowing fan configured to flow air; a housing comprising: an upper housing, and a lower housing coupled to a lower portion of the upper housing and having a lower panel which forms a bottom outside surface of the air conditioner; an intake port formed at a central portion of the lower panel to suction air by the blowing fan; a lighting device installed at the lower housing on the same plane as the lower panel and comprising: a light source configured to emit light, and a heat sink configured to radiate heat generated at the light source; characterized in that the air conditioner comprising: an air current control unit disposed at the lower housing and the inner circumferential surface of the air current control unit forming a suction channel configured to extend in the housing to connect the intake port and the blowing fan so that air suctioned from an outside of the housing via the intake port is introduced to the blowing fan; a cooling intake port formed at the lower panel adjacent to and separate from an outer circumferential side of the intake port; and a cooling channel arranged so that one side of the cooling channel connects to the cooling intake port and the other side of the cooling channel connects to the suction channel in the housing, wherein the cooling channel is configured to guide the outside air suctioned via the cooling intake port by the blowing fan past the lighting device and to the blowing fan via the suction channel. a blowing fan configured to flow air; a housing comprising: an upper housing, and a lower housing coupled to a lower portion of the upper housing and having a lower panel which forms a bottom outside surface of the air conditioner; an intake port formed at a central portion of the lower panel to suction air by the blowing fan; a lighting device installed at the lower housing on the same plane as the lower panel and comprising: a light source configured to emit light, and a heat sink configured to radiate heat generated at the light source; characterized in that the air conditioner comprising: an air current control unit disposed at the lower housing and the inner circumferential surface of the air current control unit forming a suction channel configured to extend in the housing to connect the intake port and the blowing fan so that air suctioned from an outside of the housing via the intake port is introduced to the blowing fan; a cooling intake port formed at the lower panel adjacent to and separate from an outer circumferential side of the intake port; and a cooling channel arranged so that one side of the cooling channel connects to the cooling intake port and the other side of the cooling channel connects to the suction channel in the housing, wherein the cooling channel is configured to guide the outside air suctioned via the cooling intake port by the blowing fan past the lighting device and to the blowing fan via the suction channel. an air current control unit disposed at the lower housing and the inner circumferential surface of the air current control unit forming a suction channel configured to extend in the housing to connect the intake port and the blowing fan so that air suctioned from an outside of the housing via the intake port is introduced to the blowing fan; a cooling intake port formed at the lower panel adjacent to and separate from an outer circumferential side of the intake port; and a cooling channel arranged so that one side of the cooling channel connects to the cooling intake port and the other side of the cooling channel connects to the suction channel in the housing, wherein the cooling channel is configured to guide the outside air suctioned via the cooling intake port by the blowing fan past the lighting device and to the blowing fan via the suction channel.