A charging station of a robot cleaner system for charging a robot cleaner, the charging station comprising: a first light emitting device configured to output an optical signal for inducing a docking of the robot cleaner; a second light emitting device and a third light emitting device configured to output an optical signal for inducing a homing of the robot cleaner, and the second light emitting device and a third light emitting device are disposed at left and right of the first light emitting device, respectively; and a light emitting device fixing member configured to set position and direction of the first, second and third light emitting devices (251, 252, 253), wherein the light emitting device fixing member includes: a first accommodation part formed to cover at least part of the first light emitting device, and configured to allow the first light emitting device to be towards a front side of the charging station; a second accommodation part formed to cover at least part of the second light emitting device, and disposed to be inclined to the left at a preset angle with respect to the first accommodation part such that the second light emitting device is inclined toward the left with respect to the first light emitting device; and a third accommodation part formed to cover at least part of the third light emitting device, and disposed to be inclined to the right at a preset angle with respect to the first accommodation part such that the third light emitting device is inclined toward the right with respect to the first light emitting device, characterized in that the light emitting device fixing member further includes: an upper member formed to cover top portions of the first, second and third light emitting devices (251, 252, 253); and a lower member formed to cover lower portions of the first, second and third light emitting devices (251, 252, 253), wherein the first, second and third accommodation parts (246a, 246b, 246c) are formed by coupling the upper member with the lower member. a first light emitting device configured to output an optical signal for inducing a docking of the robot cleaner; a second light emitting device and a third light emitting device configured to output an optical signal for inducing a homing of the robot cleaner, and the second light emitting device and a third light emitting device are disposed at left and right of the first light emitting device, respectively; and a light emitting device fixing member configured to set position and direction of the first, second and third light emitting devices (251, 252, 253), wherein the light emitting device fixing member includes: a first accommodation part formed to cover at least part of the first light emitting device, and configured to allow the first light emitting device to be towards a front side of the charging station; a second accommodation part formed to cover at least part of the second light emitting device, and disposed to be inclined to the left at a preset angle with respect to the first accommodation part such that the second light emitting device is inclined toward the left with respect to the first light emitting device; and a third accommodation part formed to cover at least part of the third light emitting device, and disposed to be inclined to the right at a preset angle with respect to the first accommodation part such that the third light emitting device is inclined toward the right with respect to the first light emitting device, a first accommodation part formed to cover at least part of the first light emitting device, and configured to allow the first light emitting device to be towards a front side of the charging station; a second accommodation part formed to cover at least part of the second light emitting device, and disposed to be inclined to the left at a preset angle with respect to the first accommodation part such that the second light emitting device is inclined toward the left with respect to the first light emitting device; and a third accommodation part formed to cover at least part of the third light emitting device, and disposed to be inclined to the right at a preset angle with respect to the first accommodation part such that the third light emitting device is inclined toward the right with respect to the first light emitting device, an upper member formed to cover top portions of the first, second and third light emitting devices (251, 252, 253); and a lower member formed to cover lower portions of the first, second and third light emitting devices (251, 252, 253), wherein the first, second and third accommodation parts (246a, 246b, 246c) are formed by coupling the upper member with the lower member.