A light source module is disclosed. The light source module disclosed comprises: a plurality of first light emitting devices which have a first light emitting chip and a first fluorescent substance and emit white light of a first color temperature; a plurality of second light emitting devices which have a second light emitting chip and a second fluorescent substance and emit white light of a second color temperature; and a plurality of circuit substrates on which the first and second light emitting devices are disposed, wherein columns of the first light emitting devices and columns of the second light emitting devices are alternately disposed on the respective circuit substrates, and both end portions of the plurality of circuit substrates comprise columns of light emitting devices emitting white light of the same color temperature.
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