Provided is a probe holding tool with which a plurality of light-delivery probes and a plurality of light-receiving probes can be attached to a holder in a short time. A probe holding tool (50) used in an optical measurement device (1) comprising: a plurality of light-delivery probes (12) which irradiate a subject with light a plurality of light-receiving probes (13) which receive light that is emitted from the subject a light-delivery transmission path group (30) which comprises a plurality of light-delivery transmission paths (30a) and a light-receiving transmission path group (40) which comprises a plurality of light-receiving transmission paths (40a), wherein the probe holding tool (50) is characterized in being provided with a securing member (60) which is capable of holding the light-delivery probes (12) with light-delivery probe holding means (60a) and which is capable of holding the light-receiving probes (13) with light-receiving probe holding means (60b).
